Promotions

Summary Table

Promotion	Prereq	Infantry	Melee	Ranged	Siege	Ship	Effects
Combat I							+5% Strength
Combat II	Combat I						+10% Strength
Combat III	Combat II						+15% Strength
Strike I			Melee			Ship	+10% Attack
Strike II	Strike I		Melee			Ship	+15% Attack
Strike III	Strike II		Melee			Ship	+20% Attack
Guard I		Infantry				Ship	+10% Defense
Guard II	Guard I	Infantry				Ship	+15% Defense
Guard III	Guard II	Infantry				Ship	+20% Defense
Focus I							+10% Crit
Focus II	Focus I						+15% Crit
Focus III	Focus II						+20% Crit
Tracker		Infantry				Ship	+3 Vision
Swift	Tracker	Infantry				Ship	+1 Movement
Eagle Eye				Ranged			Ignores distance penalty
Marksman	Eagle Eye			Ranged			+1 Range
Amphibious			Melee			Ship	+50% Cross-River Attack, +50% Water-to-Land Attack
Besieger		Infantry			Siege	Ship	+25% Into Urban Attack
Warden		Infantry			Siege		+25% Strength From* Urban (when standing on Urban Tile)
Tough							+10% Strength when Unit (self) is damaged
Bloodthirsty							+10% Strength when target Unit is damaged
Heckler							+25% Strength vs. any Unit with a General
Steadfast			Melee	Ranged		Ship	+25% Strength vs. Tribal Units
Herbalist							+4 HP from Healing action
Healer	Herbalist						+1 HP automatic HP regeneration per turn
Highlander		Infantry		Ranged			+25% Strength From Hill
Ranger		Infantry		Ranged			+25% Strength From Forest
Brave			Melee	Ranged		Ship	+10% Strength vs. Melee Units
Shieldbearer			Melee	Ranged		Ship	+10% Strength vs. Ranged Units
Fierce			Melee	Ranged		Ship	+10% Strength vs. Infantry Units
Horsebane			Melee	Ranged		Ship	+10% Strength vs. Mounted Units (including Elephants and Camels)
Engineer		Infantry					+25% Strength vs. Siege and Ship Units
Shrapnel							Splash at 25%
Cockswain						Ship	Ship can Rout
Grappler						Ship	-20% Strength, Stuns attacked Unit
Seaborn						Ship	+20% Strength on Ocean Tiles
Overwhelm						Ship	Cleave* at 25% (attacks 3 Units in an arc, hitting the center Target at full Strength, and the targets left and right at reduced Strength)
Fireship						Ship	+10% against Ships, pushes target Water Units
Lading						Ship	+1 Water Control Range (when Anchored)
Ingenuity							+20% Strength
Saddleborn							+25% Attack from Flanking
Sentinel							+20% Strength from Own Territory