Ill Omen Base Mechanics
Ill Omen is an exclusive Damage Over Time mechanic. Dealing Damage Over Time to Cursed monsters will stack Ill Omen. When Ill Omen is triggered, all Ill Omen stacks are consumed to eliminate non-Elite enemies or deal lots of True Damage to Elite enemies.
The base Max Stacks of Ill Omen is 10 stacks. Inflicts 1 stack of Ill Omen whenever the cumulative Damage Over Time dealt to a monster reaches the trigger threshold.
Non-Elite enemies: Single-stack trigger threshold = 8% of the Max Life of non-Elite enemies.
Elite enemies: Single-stack trigger threshold = 5% of the Max Life of Elite enemies.
Triggered upon reaching max stacks of Ill Omen, consuming all Ill Omen stacks to instantly eliminate non-Elite enemies and deal True Damage equal to 20% of Max Life to Elite enemies.
Supreme bosses will only trigger Ill Omen once.