Chance to Cast Weaken when Struck

Every source of a stat: magic and rare affixes, uniques, set items and runewords.

Weaken skill page

RollSourceRolls onalvlclvlQuality
24% Chance to Cast Level 10 Weaken when StruckObsessionStaves69Runeword
4% Chance to Cast Level 5 Weaken when StruckBlackoak ShieldLuna61Unique