Each unit (regardless of type) counts as 1. To attack an enemy territory:

Arriving army size	Attack threshold
1 – 5 units	Must be ≥ defender count
6 – 10 units	May be up to 3 fewer than defender
11 – 15 units	May be up to 4 fewer than defender
16 – 20 units	May be up to 5 fewer than defender
21+ units	No restriction

⚠ A Siege Engine is always required to attack a city that has a Castle.

EXPAND — Move an army from any territory into an adjacent city (non-owned).
Priority: highest Tax city & largest army. If tied: fewest defenders; roll die.

SPLIT EXPAND — Move one army up to 2 territories toward a city to enter it.
Cannot pass through enemy territory — must stop and fight if it enters one.
Priority: highest Tax → 1 step preferred over 2 → fewest defenders. If can't reach any city: fall back to Maneuver.

POSITION — When no city entry is possible, move the largest army one step toward the highest-Tax non-owned city.

MANEUVER — Relocate any units from one own territory to another own or disputed territory up to 2 territories away, travelling only through own territories.
Cannot move out of a disputed territory. Stops upon entering a disputed territory.
Priority: reinforce threatened territory (highest Tax) → reinforce frontline near enemy city → reposition.

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LEAVE-BEHIND — When an army departs a territory it must leave units behind:

• Non-urban territory: always leave 1 unit.
• City: leave units equal to the city's Tax value (e.g. Tax 3 → leave 3).

Which units to leave (cheapest first):
A. Footmen  →  B. Archers  →  C. Siege Engines  →  D. Cavalry

Automatons spend at the row matching their exact coin count (or highest row ≤ their coins):

Coins	Purchase
5	2 Footmen + 1 Cavalry
6	1 Footman + 1 Archer + 1 Cavalry
7	2 Footmen + 1 Archer + 1 Cavalry
8	2 Footmen + 2 Cavalry
9	2 Footmen + 2 Archers + 1 Cavalry
10	1 Siege Engine
11	1 Footman + 1 Siege Engine
12	1 Castle
13	1 Cavalry + 1 Siege Engine
14	2 Footmen + 1 Castle
15	2 Footmen + 1 Cavalry + 1 Siege Engine
16	2 Footmen + 1 Archer + 1 Castle
17	2 Footmen + 1 Archer + 1 Cavalry + 1 Siege Engine
18	2 Footmen + 1 Cavalry + 1 Castle
19	2 Footmen + 2 Archers + 1 Cavalry + 1 Siege Engine
20	3 Footmen + 1 Archer + 1 Cavalry + 1 Castle

Missing a figure type → substitute 2 Footmen ↔ 1 Archer. Keep leftover coins.

⚠ Crown Card override (any coin count):

Condition	Purchase
6 Crowns & ≥10 coins	1 Crown Card (10 coins) — wins the game

Crown Cards cost 10 coins and are always available. An automaton will buy one instead of their normal purchase the moment it would give them 7 Crowns.