Shogun 2 Army Composition: Building Stacks That Win

How to build Shogun 2 armies from early to Realm Divide — opening stacks, mid-game mixes, matchlock era compositions and the ratios that hold flanks and break lines.

A Shogun 2 stack is a sentence: a subject that holds, a verb that hits, and punctuation that arrives from the flank. This composition guide gives you the ratios for each campaign phase — the opening stack you can afford, the mid-game mix that conquers, and the late-game matchlock formations that end arguments.

The Opening Stack

Early game, budget is doctrine. The pattern: six yari ashigaru as the wall, four bow ashigaru as the argument-starter, two units of your clan's best affordable hammer — samurai or upgraded ashigaru — and a general. That army costs little, replaces cheaply, and beats most AI early stacks by simple grammar: the wall holds, the arrows punish approach, the hammers hit where the line bends. Resist the siren of early samurai masses — one elite unit in the right place outperforms three in the wrong economy.

The Mid-Game Mix

As farms and trade mature, the stack becomes: eight melee line units in a yari-heavy blend, four ranged units, three to four cavalry, and a general with retainers. The line is your anvil — yari samurai and ashigaru mixed so costs stay sane; the ranged file is timed to open lanes; the cavalry wing is your verbs. Mid-game battles are won by the second cavalry commitment, not the first: the first fixes attention, the second decides the flank. A monk anchor replaces one line unit when you can afford inspiration.

The Matchlock Era

Once gunsmithing matures, composition shifts again: six to eight melee units to keep the wall, four to six matchlock-and-bow mixed files, and cavalry trimmed to a precise two or three units whose only job is flank denial and pursuit. Matchlock volleys make frontal approaches suicidal, so enemy armies route around your fire — your cavalry exists to make that decision expensive. In sieges, invert everything: more matchlocks, more patience, fire arrows or cannons to open the wall conversation.

Ratios That Survive Realm Divide

The endgame test is not one stack but four or five at once, which makes replaceability the hidden stat. The Realm Divide arsenal favors mixed stacks with ashigaru spines — an army that loses a third of itself and returns next season beats a samurai boutique that dies gloriously once. Keep one elite strike stack for decisive battles and fill the map with honest ashigaru walls backed by matchlocks.

General and Retainer Slots

Your general is a unit multiplier: inspire range and morale bonuses hold lines that should have broken. Choose retainers by stack role — morale and melee for line stacks, charge and speed for cavalry strikes — and level the general along one philosophy rather than a scatter of skills. A thirty-turn veteran general is worth two extra regiments.

FAQ

What is the single best all-round stack? Eight line, five ranged, three cavalry, one general — the grammar never changes, only the nouns.

How many samurai is too many? When samurai replace your wall instead of reinforcing it — keep the spine affordable.

Should every stack carry matchlocks after unlock? Nearly: sieges and chokepoints demand them; open-field cavalry battles can trade the slots for horse.

Build the sentence, read the terrain, commit the verbs late — the overview of every unit family lives in the units guide.