Priest · Holy · tier 2 · from level 15

Divine Fury

+133 Greater Heal

5/5 · level 60 · per second of casting · and 3 more

Divine Fury 12345

Rank 5/5

Reduces the casting time of your Smite, Holy Fire, Heal, and Greater Heal spells by 0.5 sec.

Greater Heal +20.0% +133 Heal +20.0% +45.6 Smite +25.0% +17.2 Holy Fire +16.7% +13.1

Averages, counting crits and misses, for a level 60 Priest with a typical weapon and no other gear or buffs, against a target your level. Worked out from the game's own data, the same way as the Foresight addon.