[Feedback] Difficulty buffs made endgame disproportinally hard for melee builds

[malawiglenn]

Fumble stack

Do different sources of Fumble stack? And if they do, what is the formula behind it? For instance take Circle of Slaughter and Searing Light: 10/10 Searing Light: 33% chance for target to fumble 12/12 Circle of Slaughter: 35% chance for target to fumble