Description
Gives you a 23/46/69% chance to resist interruption caused by damage while casting or channeling any Destruction spell.
Position confidence
row: Confirmed (talentsforever.com JSON + foreverchanges.pro tier listing); column & arrow: Reported (explicit only in talentsforever.com data/warlock.json)
Change notes
Classic: 2 ranks (35/70%), Rain of Fire, Hellfire and Soul Fire only. Only some ranks were read from footage; other ranks follow talentsforever's linear scaling (scaleIdx).