How does flame damage work?

Flame units deal damage in up to three parts: a direct Impact hit, an Ablaze burn and a Flame burn, with the burns dealing damage over a number of ticks. These values come from community testing.

Source	Impact	Ablaze	Ablaze ticks	Flame	Flame ticks
Wild Fire	360	150	~3	320	3
Incendiary Archers	n/a	150	1 to 2	300	3
Flamethrowers	800	450	6	1000	5
Flamethrowers (AA)	800	450	2	1000	3

Doctrines

Break Through raises Impact by 10%, and Ablaze and Flame by roughly 2% each.

Flame defence by unit trait

Some unit traits reduce flame damage. The trait name depends on the client, so both the Frontier and my.games wording are shown.

A negative value like Rattan Armor's -400% means it takes far more flame damage instead of resisting it, so keep it away from fire.