Priest · Discipline · tier 1 · from level 10

Twin Disciplines

+71.1 Divine Grace

5/5 · level 60 · per cast · and 5 more

Twin Disciplines 12345

Rank 5/5

Increases the damage and healing of your instant cast spells by 5%.

Divine Grace +5.0% +71.1 Renew +5.0% +42.2 Devouring Plague +5.0% +41.4 Shadow Word: Pain +5.0% +37.2 Holy Nova healing +5.0% +15.8 Holy Nova +5.0% +9.1

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.