Warlock · talent ability, from Shadowburn

Shadowburn

267per cast

Rank 6 · level 60 · before talents

Shadowburn

365 Mana30 yd range

Instant15 sec cooldown

Instantly blasts the target for 262 to 291 Shadow damage. If the target dies within 8 sec of Shadowburn, and yields experience or honor, the caster gains a Soul Shard.

Talents that change it, each at full ranks:

Improved Shadow Bolt · after a Shadow Bolt crit +53.4 Master Demonologist · with your Imp or with your Succubus +26.7 Agonizing Flames +26.7 Demonic Knowledge · with a demon +25.1 Shadow Mastery +13.3 Suppression +8.3 Malevolence +6.6 Ruin +4.6 Cataclysm per 100 mana +8.1

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.