Did you know that? (Dominions trivia)

[chrispedersen]

Well, I haven't seen the turn, but again there are many ways this can occur.

Poison archers, where the poison has a secondary effect - the secondary effect can also cause an affliction.

Spells (or blessings) that have caused or added secondary damage such as flame arrows. Any secondary attack that is treated as a separate attack can also cause an affliction.

Affliction chance is something like
#dam/max hp as a % chance.