Warlock · Destruction · tier 5 · from level 30 · needs Conflagrate
Fire and Brimstone
+33.8 Conflagrate
3/3 · level 60 · per cast
Fire and Brimstone
Rank 3/3
Increases the critical strike chance of your Conflagrate spell by 25%.
Averages, counting crits and misses, for a level 60 Warlock 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.