Description
Gives you a 14/28/42/56/70% chance to avoid interruption caused by damage while casting Arcane and Nature spells.
Position confidence
row: Confirmed (talentsforever.com JSON + foreverchanges.pro tier listing + page order on classicwowforever/wowforevertalent); column & arrow: Reported (explicit only in talentsforever.com data/druid.json)
Change notes
Classic: Healing Touch/Regrowth/Tranquility only; moved tier 2 -> tier 1.