Devour Magic Rank 4
Part of Devour Magic (Rank 4).
Purges 1 harmful magic effect from a friend or 1 beneficial magic effect from an enemy. If an effect is devoured, the Felhunter will be healed for 619. (Numbers at level 60; they grow with your level.)
Data from the WoW Forever client, build 1.60.1.70888, extracted .