And pacifists make the best Triburaries. A forum thread where players discuss the advantages and disadvantages of subjugating neighboring empires as tributaries or vassals in Stellaris, a strategy game. 5 influence. However, even after becoming a tributary and having diplomatic freedom, I can't declare war on my overlord as declaring a war againts them need the approval of their. See screenshots for new tradition effects. I just technologically enlightened two races, immediately making them vassals. AI will surrender quickly, especially early game. It makes changes to what they provide to their overlord. . Vassal ai is completely useless. Tributary will really boost your economy, so you can put out a lot more research and alloys and have less of your pops mining and energy production. ”. Protectorates become vassals which are not that useful. Dynamic difficulty adds a option to apply ai bonuses to vassals. And with federation DLC the hegemony makes vassals obsolete for puppet master style. You have to select the correct wargoal when you're declaring war. Galactic Surveyors. If your Ruler or Heir is "unmarried" you can marry an unmarried Ruler or Heir of the. 7 to −3. it. Vassalise and Make Tributary diplpmacy option avaliable immediately and can be used on equivelant Empires Cannot integrate vassals. Tributary will really boost your economy, so you can put out a lot more research and alloys and have less of your pops mining and energy production. Feudal is also the only way I know thus far that makes a 1 system play through possible. And that's it. Spend more time with them as a regular vassal and specialize them mid game if they are doing well. A secret fealty vassal I just got started as a bulwark after being fully vassalized, but I'd rather have a regular vassal instead. -25% minerals and energy to your vassal's fleet. g. Turns out I got 40 systems or so and 3 inhabited planets. Tributaries are cool. If you are ok micromanaging, you can incorporate them, gene mod and fix their planets, then release as a vassal again. 8] Subscribe. Conquering directly just gives you the planets and populations directly, and will generally be strongest. CalebS92. If you're not domineeringly powerful, vassal is a good choice to set them to follow your ships and act as extra power in most fights. However, it pays a substantial amount of tribute to its overlord in exchange for protection. As another poster pointed out, you can vassalize genocidal empires with it. I have been thinking about this for a while and I think vassalisation is overpowered. This pairs quite. If you don't have the influence to fully claim a large empire, then vassalize -> Integrate will let you absorb them afters some time. ago. • 3 days ago. 5. They're outside it. A vassal has still some use, even if their military support is questionable, e. Though bear in mind, +5% resources with a 15% tax rate is. Other than that, as a vassal or tributary you can't freely stop being a vassal. Cheaper in war score and give monies to you. Even before 3. well. Hence why it is bonkers that such an easily accessible AP allows you to outright eliminate this limitation, making civics like Feudal Society obsolete. Presets have a list of default terms, and can have. Now your tributary gives you energy and minerals, add part of their naval cap to the federation fleet, and they're pulled into any wars you're involved in, because they count as federation members. As a hegemony leader you can just kick them out when you want, let your other tributaries swarm them, so you can annex or vassalize them. As vassal you get the "help", and part of the fleet power of an inefficient non-difficulty boosted AI. Description. Unhappy sectors will want to become tributaries. Subscribe to downloadVassals and Tributaries - Exalted Domination [3. Join. This mod aims to improve the Domination tradition so that it is an appealing option at any stage of the game and also adds several new vassal and tributary types that are more evocative and useful to an overlord. Vassal-Conquest:Vassal - the everyman. Plus, if you've gotten said protectorate by doing something like. Rinse and repeat and you'll end up with a bunch of hegemony members with high fleet contribution but also the AI bonuses to economy. Protectorate an uplifted pre-FTL species for an increase in monthly influence and a potentially powerful ally at the end of it all, or Vassalise an empire for some. Tributary vs Vassals Stellaris Debate vassals can be integrated into your empire so you can eat them without claims or war. Stellaris vassal vs tributary State subordinate to another state This article needs additional citations for verification. I hope this is fixed because the potential for these systems is great!Move all organics to their own planet, you can create a vassal when you're at peace. 828. 4. Player vassals don't. Stellaris v3 version available here! This mod aims to improve the Domination tradition so that it is an appealing option at any stage of the game and also adds several new vassal and tributary types that are more evocative and useful to an overlord. Monetary tribute is 12. Sectors are microstates within your empire that you appoint a governor to oversee. If this isn't the case then something is missing. If you got a particularly worthless planet, you can purge your own machines and fill it with the organics for a vassal. Edit: Vassal claims on other empires in war should be granted to the overlord and the overlord should decide whether they deserve th e systems at the end of the war. ways to get a vassal. Mr-H-Saether • 5 mo. 1. The best way to play is to have as close to zero empire size whilst having the biggest science income. Federation is superior to vassal empire. Vassal and tributaries have very strong synergy with the Domination/Purity tradition tree. You can chose between making them a Tributary or a Vassal (subsidiary if you are megacorp). Stellaris is getting so many supra-national forms of governance, I'm getting a little confused. Food is minimal, and getting tributary after tributary can cover your economy for the most part. They should never have been implemented. Just turn all your non border and core systems into vassals and take the reduced research and unity costs. Join. 70. 'War score' at the beginning of war says it's -200. Nothing much to say here, if you can't put a subject into one of the above, this is where they belong. Ever since the Stellaris Overlord expansion, and even before, I hoped for a more modular subject system in EUIV. usually protectorates never become vassals, since they need 50% of your tech and you can usually out-tech them. NumberIine. ago. It’s your overlords job to protect you so you don’t really lose out, protecting 1 vassal isn’t a huge problem for a overlord. ago. Vassal is mostly for. The issue is when I declared an expel branch war against them it didn't work. We can negotiate, and renoegotiate the terms of our agreement. So unless you play on ensign difficulty the answer is yes. 385K subscribers in the Stellaris community. Not only should it be possible to transform a vassal into a tributary, but the reverse should be true too, provided the overlord is strong enough and relations good enough. In cases where the vassal in question is large and rebellious, integration and re-releasing might be prudent. However, it pays a substantial amount of tribute to its overlord in exchange for protection. I'm fairly sure I've made allies into vassals or at the very least Dynastic Marriages into vassals, but I'm wondering, after you make a nation a Tributary, can you later make that country a vassal? Just trying to plan my take over of Indonesia as Japan. Tributaries at least give you some basics. There's no option for using favors to sway your way, no ultimatums (e. Vassal, Subsidiary, Tributary, Protectorate, Bulwark, and so on. They are probably more useful in one of the next patches due to tributary states and maybe some other changes (which is currently missing compared to EU4). I immediately got the "Ask them to be a protectorate" option. Their trust increases overtime and when they become lawful you don’t have to be anxious about it any more. The extra credits really make that much of a difference. Get app Get the Reddit app Log In Log in to Reddit. stigmund77 First Lieutenant. You can right-click and explore any wormhole your science ship can reach, regardless of its territory. rules pretty harsh now: -must have domination tradision. In exchange you can take much more from them (75% resources vs 45% from trib to vassal iirc). Good news is you can choose to do it when ur overlord has just finished a massive war and lost or try and invite some allies into the war. 0 unless otherwise noted. Feb 21, 2014 2. An incorporating Union is one that an entirely new nation is created. Having more planets (& pops) raises the cost of techs and now unities - as far as I know tributary/vassals do not. For Stellaris 2. I don't play unmodded so I don't know if this is normal behavior, but it would be nice to see. . This mod aims to improve the Domination tradition so that it is an appealing option at any stage of the game and also adds several new vassal and tributary types that are more evocative and useful to an overlord. Hydroxylfox • 4 yr. If this is only about turning a rebellious vassal loyal again, you can improve relations and make sure you have a (much) larger fleet than them. Depending how you want to play, it is economically better to just conquer worlds, but you may have a. You are too far ahead with your Research. ago. Both subject types count towards the unity bonus tradition. Thread starter Seridor; Start date May 8,. Forced submission: You automatically get a subjugation Casus Beli on any empire that is overall "inferior" to you in fleet, tech, and economic power. Your protectorate gets a bonus to researching your techs which may catch them up enough at some point. You can only subjugate by force if the empire is weaker than you since overlord. They won’t agree. 2k. So open a second war. - Changing your subject's name: To do this, I made it so your subject name will change to the name of your Capital system. Claims stuff on a different empire, make them a tributary. This is my first game of Stellaris, I turned a sector I conquered into a Vassal early on because they were seriously generating sprawl. Is something wrong with getting Ai to become vassal/tributary/other ? Question I've just had a game where I could just demand other empires to become my vassal and it felt really really Easy. I have a big fleet. Doesn't add up. 0 unless otherwise noted. But disloyal vassals should also consider : [disloyal power + enemy of overlord (current war) power] > [overlord power + loyal power] -- what better time to rebel, than when your lord is campaigning half a galaxy away?Subsidiary or Tributary must pay at least 30% tax; Advanced Advanced Resources 0 to −45 +3. The vassal doesn’t add to your sprawl, keeps their remaining civilian and military ships, and if you play it right continues to develop and donate even more to your empire. And there Make the Tributary or Make the. XBOX • 3 yr. Squeezing the most out of your vassals. For protectorates, you actually gain influence, iirc. With my non-specialist vassals I can choose between vassal, tributary and specialist vassal, but when the vassal starts with a specialization the only option I get is to switch them to another specialization. 1 Answer. Systems cannot be removed from a vassal. Vassal vs. 3. Prospectorium advantage is that they will get bonus on basic, advance and strategic rerources, has chance to find deposit in space and will never be downgrade to protectorate but get nerf on science production. If you have a Defensive Pact or higher (Alliance. The only way to instruct a science vessel to explore an unstabilised wormhole is via the right click menu. -100 for vassaling and -100 for something like war at itself. Only existing. As far as I can tell, the only benefit you get from having vassals are: - You keep your Empire Sprawl down, keeping your research cheap so you can get up the tech tree faster. Tribute is better for more powerful empires. Last I checked, there is no means of "upgrading" a Tributary into a Vassal, so you have to defeat, make tributary, sit around and let them continue doing exactly what they've been doing all along except it makes you a little richer, then attack them again in the hopes that they. I've seen threads saying they weren't all that good. A place to share content, ask questions and/or talk about the 4X grand strategy game Stellaris by Paradox Development Studio. Tributaries themselves are kinda meh and supposedly pretty bugged in 1. galadon3 Nov 27, 2017 @ 8:12am. All systems captured, one but one planet is occupied. Even if you change 0 infrastructure and pops, re-releasing them will give them all your traditions and techs, and re-set the ascension perks so they can choose. Then again I'm running Glavious AI which doesn't seem to improve the AI that much (granted, there are 2 "equivalent" normal empires in 2400 and one of my federation members just quit the. Overlord will be focusing heavily on the subject of. Age of Wonders 4 Empire of Sin Cities: Skylines 2 Crusader Kings 3 Europa Universalis 4 Hearts of Iron 4 Hunter: The Reckoning Imperator: Rome Prison Architect Stellaris Surviving Mars Surviving the Aftermath Vampire: The Masquerade Victoria 3. Only existing. Once you've filled out your specialist roles, this is where most of your vassals end up. Forcing them into the hegemony is a lot cooler IMO though, and making them your vassal is kind of pointless unless you have the overlord DLCWhich is just fine. This list was initiated with 2. The big barrier that a lot of people on here seem to have is not knowing about the vassal/tributary casus. It is possible for the overlord to transform tributary status into a protectorate or vassal, but only if the overlord is big and influential enough. If this is about shutting down criminal branch offices of a vassal; sorry there's no way aside from the normal: make sure to have enough enforcers to push crime down to 0 (not really difficult tbh). And that's it. Mhh I guess you can lower the mandate requirement by getting war score cost reductions like diplomatic idea, or admin efficiency from admin tech and absolutism but I don't think that you will be able to lower a 300 mandate requirement to less than 100 any time soon without any kind of war. the master gets a button labeled "request vassal forces" during a time of war which gives them control of the Vassals military until. They'll all be loyal to you, and given a decade or two, they'll also have their own mighty fleet that can rival the biggest federation fleets. For a regular empire, it can happen the other way too -- you start with a Tributary, then it auto-switches to a Protectorate, and then later it auto-switches to a Vassal -- losing your Tributary resource contract entirely, you have to spend Influence to re-negotiate, and whatever you negotiate is thrown away if it swaps into Protectorate again. 5% of annual income, manpower tribute is 25% of annual gain, and monarch point tribute is 1 per 33 developments (rounded down) and capped at. To do this method, whoever you’re trying to make your Vassal must be at peace. Method 3: Make a Sector a Vassal. So a criminal syndicate is doing its job and has a couple of branches open on my planets. Possibly replaced by their overlord, or the galactic empire will just be dissolved (perhaps even have some kind of event where people panic because the protector-turned-ruler just got punted, that'd be pretty frightening)Yes but, They still count as a subject so unity from the tradition, and give . In exchange you can take much more from them (75% resources vs 45% from trib to vassal iirc). That large empire asked to become my vassal and I said yes just to experiment. This probably works best with wealth generation, 75% tax on a one system vassal would then be a 7. Go to Stellaris r/Stellaris. Content is available under Attribution-ShareAlike 3. A 3 planet tributary can give you more than 10 of each. They won’t agree. Vassalisation war goal doesnt even appear. By annexing them as conqueror you get ALL of it! AI was NEVER on pair with a good player without difficulty boost, but right now it is especially weak. Vassal Contracts are a massive new feature of the Stellaris 3. Now you know a bit more about tributary vs vassal in Stellaris, including the pros and cons of each. Best. 268 votes, 17 comments. 6 comments. An empire can become a subject willingly via diplomacy; the acceptance depends on a number of. Unsourced material may be challenged and removed. I am looking for something that lets a nation be your subject and grant you their dev for GC, but simultaneously have the freedom to have alliances. So if a xenophile has a xenophobe vassal, he can grant his xenophobe vassal "cleanse planet" wargoals. In Stellaris you can research fusion reactors. Once within a 60% tech difference you should be able to change their type. As the title says, is there any way to prevent this? I tried not overtaxing them with tributes, so they have enough resources to keep their planets in order, didn't work. 8boy09. 2. As such, tributaries are better than subsidiaries, so do not pick megacorp for subsidiaries. Stellaris Dev Diary #281 - A Message from Minamar Specialized Industries. Mapsaregreat • 1 yr. Stellaris v3 version available here! This mod aims to improve the Domination tradition so that it is an appealing option at any stage of the game and also adds several. They get 80% reduced tech costs on every tech you've researched. Yeah it's way too easy on lower/scaling difficulties to rush a fleet and mostly peacefully vassalize the entire galaxy before midgame. Suppress those silly Xeno's but only for when playing tall. I guess good vassals would need a proper diplomacy system and a competent AI, both of which Stellaris is unfortunately woefully lacking in. Thirdly you need less than Cordial relations (in other words Neutral or worse) with your puppet for it to be available in the diplomatic play list. Scholarium should get some better bonuses to make them actually the science vassal to play as, as well as the subject science one to get. Next to the “Demand Vassalization” button will either be a green tick or a red cross. A tributary state is essentially a vassal that has more powers relinquished by the request of its dominant. It does not get refunded, because the Vassal needs to use THEIR influence to be able to refuse the offer. My question is why did they change without any warning or any sort of reasoning given, except the notification that they'd been changed. 1; 2. ; About Stellaris Wiki; Mobile viewIn the game Stellaris, a tributary is a vassal state that retains a significant degree of autonomy in its internal and political affairs. They're a tributary. Midpoint between autonomous vassal and tributary. 2. Creating vassals is intergral to good tall play atm. Currently bigger empires (ie conquest) is just stronger due to the fact that you can just increase your empire sprawl endlessly (ie no science loss from bigger empires) and the ai has weird ship designs and uses buildings suboptimally. If not, make it a tributary (or if you need the extra economy). ago. 5 I was wondering what peoples feelings are about vassals and tributaries and when it's better to use each. Also use the make tributary war goal and claim the systems with rare strategic resources like Dark matter, living metal and zro. Vassal and tributaries have very strong synergy with the Domination/Purity tradition tree. in this case the summary is that vassal loyalty wars count the overlord as a defender and so the vassal that wants to either swap to a new overlord or break free outright, and a rival power trying to upset the. I hope this is fixed because the potential for these systems is great!The vassal can immediately surrender, but the vassal suffers more ethics pressure from you (and ethics should influence how long it takes to integrate a vassal). 37 votes, 46 comments. Your vassals will then rebuild those depleted fleets so you don't have to. There should be a tab that says something like:"Demand tribute" or "Demand subjugation". Stellaris vassal vs tribute State subordinate to another state This article needs additional citations for verification. What I always do is to release 1 planet vassal, wait until trust build up a bit, then free the vassal, because they share ideology as me and are 1 planet and has trust bonus, they are usually weak enough to accept my re-subjugation of them as tributary. Tributaries basically become diet vassals; they pay you loot but still fight in your wars. Involuntary protectorates (those forced on by war, or those forced on uplifted species) will not give you +1 influence. I recently got into this game, and in my current game I’m playing as a very militaristic empire. Tributaries are not your subject, they are independent, can expand freely and you can have pacts with them. Not sure, they disappeared at some point Upload Attachment File(s) attachedI generally leave vassals as vassals unless I need the land or they are completely opposed to me. Managing Integrated Vassals. The game is quite. That said if you declared the war you should have had the option to choose between vassal and tributary. It does not get refunded, because the Vassal needs to use THEIR influence to be able to refuse the offer. Hegemons can also continue to expand their empires and make claims and declare. To get the vassalize CB the overall relative power of your target has to be inferior / pathetic, not just fleet power. The new vassal system lets you specialise subject empires, which then develop handy traits as they level up within the greater empire they're a part of, making that 30% research tax an easy pill. there's a lot to say about stellaris' war systems. But honestly there's very little reason to continue this game. Thread starter Abdulijubjub; Start date Apr 14, 2023; Jump to latest Follow Reply Menu We have updated our Community. Select a planet within a Sector you control and navigate to the “Governor” screen. You can check the overall relative power by hovering over the 3 bars icon left of the relative fleet power or in the diplomatic contacts list. This is my first game of Stellaris, I turned a sector I conquered into a Vassal early on because they were seriously generating sprawl. I have noticed on some empires I cannot visualise them, I can only make them a tributary. r/Stellaris • De-tox vs climate restoration. Two I uplifted so they are 1 system vassals in the middle of my Empire and another I took from a neighboring state and has about four systems and is in the direction I would. Going by the Blorg stream, vassals work pretty much the same as they do in EU4. Stellaris Wiki Active Wikis. ago. I am looking for something that lets a nation be your subject and grant you their dev for GC, but simultaneously have the freedom to have alliances. 4. Report. You should get more influence than them, thanks to spamming the Ministry of truth. missing vassal war goal. The only other unique benefits are the +5-15% resources from jobs for non-President members and the diplomatic weight bonus at level 5. With the rework that means you can specialize your vassals Vassals Expanded and Reworked. x. Frustrating Vassal mechanics - Even with maximum loyalty, the most favourable terms possible and overwhelming fleet power compared to them: It's impossible to contract even the smallest payment or to specialise their vassal type. Vassaling can make harder to conquer but not really if said vassals are in alliance with war controls. -must be neighbor. Description: This mod aims to improve the Domination tradition so that it is an appealing option at any stage of the game and also adds several new vassal and tributary types that are more evocative and useful to an overlord. Granted I play with mods like Stellaris Evolved and Gigastructures so there's tech at play that is extremely advanced and game changing. 5. And for the stronger empire, you could benefit from having weak allies, but still stronger-than-vassal allies to aid you. When an AI becomes your vassal it loses all the bonuses AI's normally get based on difficulty. Then just wait until they request to be a vassal. min. A union is a bit more complicated as it can refer to multiple terms, a political union has five categories. A tributary turns into a vassal if it has something like 50% of your technologies researched. So there is no reason to not integrate a vassal unless you are fine with having a worthless pile of pops on the map. Top posts april 13th 2020 Top posts of april, 2020 Top posts 2020. Paradox Staff. ago. ago. There is something to be said for 4X-style victory conditions, which usually allow for diplomatic, scientific, and cultural ways to win. I typically vassalize Fallen Empire core worlds and. Name your federation Kow-Tow Federation(or something suitable) if you are a Celestial Empire or Tributary Gang if you are like me. Plus, you won’t be spending the next 50 odd years fixing 3 happiness issues and 4. What does the L in L-Gate stand for? (Correct answers only) 167. A forum thread where players discuss the advantages and disadvantages of subjugating neighboring empires as tributaries or vassals in Stellaris, a strategy game. Atunomous vassal gives you freedom to wage your own wars, but not to make. -V0lD Voidborne • 1 yr. • 1 yr. Sheodoq • Synth • 6 yr. Don't build them up and they'll only be 5K strong so they can't help you. g. Go to Stellaris r/Stellaris. Stellaris Wiki Active Wikis. Fluffy-Tanuki • 21 days ago. Ideally you can force them into a tributary if you already are going to invest a lot into military, you get a massive resource boost from doing this to a few empires. ago. Stellaris v3 version available here! This mod aims to improve the Domination tradition so that it is an appealing option at any stage of the game and also adds several new vassal and tributary types that are more evocative and useful to an overlord. 5 influence. I have no idea on that. Reply. Stellaris. #2. would like to know too!! #1. They are probably more useful in one of the next patches due to tributary states and maybe some other changes (which is currently missing compared to EU4). They still have their own government, they have their own borders, they manage their own economy and population, but they have no control over their foreign policy. This page was last edited on 7 June 2023, at 04:39. You'll basically take colonies and upon ending the war, they turn into a new empire matching your empire ethics. Select the target from the “Empires” tab, select “Communicate,” and then select “Declare War. Provided, of course, you have enough influence to push it through. As Tributary you get a small part of their resources. If you can just take all the planets under the war score requirements then just conquer. But the vassals didnt rebel, but someone stronger just declared war on my vassal and kick my ass too. The overlord can't curtail their expansion, doesn't interfere in any of their wars (and vice versa), the tributary simply feeds them resources. Rord64 Mar 18, 2018 @ 6:06am. Blorg Friends. I am pretty sure we had a commercial pact. You can chose between making them a Tributary or a Vassal (subsidiary if you are megacorp). A Workshop Item for Stellaris. Find out how to make the best choice for your gameplay and roleplaying style based on tribute, expansion, and warfare. If you want an AI to protect you in exchange of resources, become a tributary, that works perfectly fine in starnet. The enemies you fight at that point where you would actually think of using AI help would obliterate AI ships so it's best to have them fund you. 5 per stationed army). I am fairly new to this game, so I first apologise for my lack of knowledge. The first method involves going to war with a target empire. You're just too far behind. Please note these costs are over and above a base cost of 20 influence points. Other Features: - All of the subject interaction features of the mod are handled through a new edict: Manage Subject States. 36 comments. willldebeast • 4 yr. The main point of vassalization is to buff your naval cap, if you want resources then you make them a tributary, which gives us you energy and minerals. 0 unless otherwise noted. Nice! Remember to keep votes equal and not by diplomatic weight. Nice. Forced submission: You automatically get a subjugation Casus Beli on any empire that is overall "inferior" to you in fleet, tech, and economic power. Give every vassal a 1000 Mineral and 1000 energy starting gift. The liberate does the truce thing, but if you're close enough and big enough, and make them love you enough, you can get them to become your vassal without a fight. Most importantly, some empires don't want to be a certain kinds of vassal types. I've been watching the Overlord multiplayer stream (mostly Montu) and I was wondering what exactly the difference is between a tributary vs a standard vassal in the upcoming patch. for instance), but for every ratio of "your researcher output vs. The issue is when I declared an expel branch war against them it didn't work. Federation members keep difficulty bonuses. Reply . Stellaris lacks the broad spectrum of victory conditions which could recognise the validity of the many different ways to play the game. Warfare. Even better if you're playing on a high enough difficulty where they get bonuses while being vassals. • 21 days ago. Vassal being bulwark but without the resources making them even weaker because they would have to compensate themselves towards the basic resources theyd be getting from me. This is good for the overlord, because 50% of X+Y is better than 50% of X, but also helps the tributary stay solvent because the 50% of Y they get to keep is covering the deficit that might otherwise exist if they were just 50% of X. As long as there is at least one empire present that is not Fanatic Pacifist, war is an almost inevitable aspect in any game and can be anything from a small border skirmish to a massive interstellar war of conquest. A vassal has still some use, even if their military support is questionable, e. Trouble is War declaration is NOT an event stellaris automatically pauses for by default. 11 votes, 18 comments. Stellaris Military system needs a rework to make Warfare fun in all stages and with all power discrepancy. So a criminal syndicate is doing its job and has a couple of branches open on my planets. I am playing a tall game as an extreme pacifist empire. Yeah despoliation is mainly to raid for pops even during the early game. Once a vassal hits the trust cap in an empire like this, release them. Waging war to make tributary/vassal is impossible. AND you can integrate protectorates into your empire. Tributary and Vassalize: If you have at least one ally with differing ethics, you can give them war goals that conform to their ethics even if they differ from your own. 25% minerals and energy to grow your fleet. You will basically have a federation with your vassal from day 1. I faced inaccessibility of war for submission (as the vassal or the tributary), I send the offer "To offer the status of protectorate" or "To demand a tribute", any empire refuses (well, on a kraytsny measure while there are no concordants peacefully), then I come into options of declaration of war. Especially as your 1st and 2nd subject, a Tributary can give you so incredibly amount of resources. Click that, send, wait till they deny your offer and then you get the belli.