Warlock · talent ability, from Conflagrate

Conflagrate

275per cast

Rank 6 · level 60 · before talents

Conflagrate

255 Mana30 yd range

Instant10 sec cooldown

Ignites a target that is already afflicted by your Immolate spell, dealing 259 to 321 Fire damage and consuming your Immolate effect.

Talents that change it, each at full ranks:

Fire and Brimstone +33.8 Master Demonologist · with your Imp or with your Succubus +27.5 Agonizing Flames +27.5 Demonic Knowledge · with a demon +25.1 Suppression +8.6 Ruin +4.8 Cataclysm per 100 mana +12.0

Averages, counting crits and misses, with a typical weapon and no other gear or buffs, against a target your level. Talents at level 60. Worked out from the game's own data, the same way as the Foresight addon.