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Capitals

Capital castle levels, what each adds and what it costs, and garrison upkeep.

Rule	Value
Garrison upkeep	0.02 gold per soldier per game hour, from the owner's treasury

Castle levels

Piece counts are for one capital; the gate side and the first towers change from capital to capital, the totals barely. Costs are the new pieces each level adds, paid first from the capital's stock and the rest in gold from the owner's treasury at market base prices.

Level	Name	Pieces (besides the keep)	Cost of the new pieces	What it adds
1	Walled keep	1 Wooden Gatehouse, 2 Wooden Tower, 55 Palisade	standing from the start	A stone keep in a ring of palisade with a timber gatehouse and two wooden towers.
2	Stone curtain	1 Stone Gatehouse, 4 Small Tower, 53 Stone Wall	1,486 stone, 140 wood, 15 iron	The palisade gives way to a stone wall, a stone gatehouse and a small tower at every corner.
3	Great towers	1 Stone Gatehouse, 4 Small Tower, 2 Great Tower, 47 Stone Wall, 76 Ditch	700 stone, 100 wood, 20 iron, 152 gold	Two great towers on the flanks and a ditch all round.
4	Moat and oil	1 Stone Gatehouse, 4 Small Tower, 2 Great Tower, 2 Ballista Tower, 47 Stone Wall, 2 Boiling Oil, 76 Ditch, 92 Moat	640 stone, 240 wood, 140 iron, 50 pitch, 736 gold	A moat beyond the ditch, boiling oil over the gate and two ballista towers.
5	Citadel	2 Stone Gatehouse, 4 Small Tower, 2 Great Tower, 4 Ballista Tower, 72 Stone Wall, 2 Boiling Oil, 76 Ditch, 92 Moat	1,150 stone, 300 wood, 115 iron	An inner stone ring around the keep with its own gate, and two more ballista towers.