Priest · Shadow Magic · tier 1 · from level 10

Shadow Focus

+25.9 Devouring Plague

5/5 · level 60 · per cast · and 4 more

Shadow Focus 12345

Rank 5/5

Improves your chance to hit with Shadow spells by 5%.

Devouring Plague +3.1% +25.9 Shadow Word: Pain +3.1% +23.2 Mind Blast +3.1% +14.9 Shadow Word: Death +3.1% +14.0 Mind Flay +3.1% +11.9

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.