Mage · Fire · tier 4 · from level 25

Master of Elements

+1.6 Pyroblast

3/3 · level 60 · per 100 mana · and 10 more

Master of Elements 123

Rank 3/3

Your Fire and Frost critical strikes will refund 30% of their base mana cost.

Pyroblast +0.9% +1.6 Frostbolt +0.9% +1.5 Fire Blast +0.9% +1.2 Fireball +0.9% +1.2 Scorch +0.9% +1.1 Frostfire Bolt +0.9% +0.8 Blast Wave +0.9% +0.8 Blizzard +0.9% +0.7 Cone of Cold +0.9% +0.5 Frost Nova +0.9% +0.5 Flamestrike +0.9% +0.4

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.