Mage · Fire · tier 5 · from level 30

Critical Mass

+22.9 Pyroblast

3/3 · level 60 · per cast · and 6 more

Critical Mass 123

Rank 3/3

Increases the critical strike chance of your Fire spells by 6%.

Pyroblast +3.0% +22.9 Fireball +3.0% +15.6 Blast Wave +3.0% +14.2 Fire Blast +3.0% +13.0 Flamestrike +3.0% +12.2 Frostfire Bolt +3.0% +10.1 Scorch +3.0% +5.2

Averages, counting crits and misses, for a level 60 Mage 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.