Corruption

428per cast

Rank 7 · level 60 · before talents

Corruption

340 Mana30 yd range

2 sec cast

Corrupts the target, causing 438 Shadow damage over 18 sec.

Talents that change it, each at full ranks:
 Improved Shadow Bolt · after a Shadow Bolt crit  +85.6 Demonic Knowledge · with a demon  +70.3 Improved Corruption  +42.8 Master Demonologist · with your Imp or with your Succubus  +42.8 Malediction  +21.4 Shadow Mastery  +21.4 Suppression  +13.4 Malevolence  +10.5 Pandemic  +7.4

All 7 ranks

Rank	Level	Per cast	Per second
Rank 1	4	39.4	19.7
Rank 2	14	63.8	31.9
Rank 3	24	129	64.6
Rank 4	34	164	82.1
Rank 5	44	235	117
Rank 6	54	334	167
Rank 7	60	428	214

Plan a Warlock build

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.