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Three Hopes puts Three Houses systems inside a Warriors game, which means most of what you do is reversible and a handful of things are not. Two of the permanent choices are made in the first few minutes, before the game has explained what either of them costs. This hub is arranged around that, starting with what you are locking in.
Four choices you only get to make once
Difficulty can be changed whenever you are out of a mission. Casual or Classic cannot, and Classic means a unit killed in battle is gone for the rest of the playthrough. Your house, picked in Chapter 2, decides your route, your ending and the eight units who join you for free. And sparing or killing Byleth decides whether two extra chapters exist for you at all.
Our mechanics guide walks every system in the order the game asks about it, from the difficulty screen through the stats and weapon triangles to the camp economy and all four endings. One thing it settles early, because people keep asking: there is no romance system, no S-rank supports, and Three Houses relationships do not transfer. Our romance page explains what stands in for it, which is A-rank supports, the Merc Whistle and Partner Specials.
Pick a house, then a job for everyone in it
Black Eagles hit hardest and fold quickest. Blue Lions survive anything and struggle to kill it. Golden Deer sit in the middle with every unit type available, which is why we recommend them for a first run. After that, the question stops being who is strongest and becomes what job is missing from your strike force.
Our classes guide sorts our thirty recommendations by battlefield role rather than by house, with the counter matchups laid out first, and it makes one point clearly: over half the roster funnels into Cavalier, Mage, Priest and Archer, so those four are the ones worth learning properly. Once you know the class, our best abilities guide names the single ability to prioritise for each of twenty nine characters, which is usually the Buster that matches whatever their class is meant to beat.
Recruit in cost order, and mind the one you can lose
Eight characters join because of your house. Everyone else is bought, usually with Strategy Points spent on a Persuade Strategy before a battle, and prices run from nothing to thirty. Our companions guide is a ledger rather than a roster, sorted by what each recruit costs and when the window opens, with a route lock table for the ones you simply cannot get on your run.
It also has the sequence for Byleth and Jeralt, who are the only pair in the game you can permanently miss. They sit between Chapters 10 and 12, Arval will tell you to kill Byleth on every route, and following that advice closes the door on both of them and on the secret chapters.
The camp economy behind all of it
Strategy Points come from Strategy Resources, Resources come from capturing War Map territory, and capturing territory costs you Renown, which is what buys post game characters and permanent stat boosts. Nothing in camp is free, and the currencies pull against each other. Renown is also one of the seven things a finished save carries into a second run, and our New Game Plus guide lists the rest, the four characters and five weapons the Renown Exchange only stocks on that run, and the one recruit you can lock yourself out of before the run even starts.
Our items guide is arranged by who supplies each thing and when they open, from the Surveying Spots that run dry to the Supply Master who only turns up in Chapter 5, and it flags the trap that catches promotion runs: unlocking a Master Seal in Chapter 10 does not let you spend one, because spending it needs a Training Instructor upgrade first.
Where to start
Normal and Casual if you want the story, Hard and Classic if you want the fight, and be certain about the second one because it is the only setting you cannot change later. Take Golden Deer on a first run. Get every character to C support early so Expeditions open properly in Chapter 5. Then keep an eye on Chapters 10 to 12, because that is where the only genuinely missable thing in the game lives.