Affliction Warlocks rotation revolves around keeping curses up on the target and using drain soul at and below 35%. Affliction Warlock has great sustained DPS ramping up along the fight, however for really short fights the damage can be low.

Talents for Affliction Warlock Wotlk

Affliction Warlock with Felhunter Spec for Wotlk. [Fel Concentration] already reduces pushback on major Affliction spells so maxing [Intensity] is not needed, with 1 point in [Grim Reach] and [Nightfall] there is a 10% boost to the range and a 2% chance of getting an instant shadow bolt

Glyphs

Major

Glyph of Quick Decay

Glyph of Life Tap

Glyph of Haunt

Minor

Glyph of Drain Soul

Notes

Minor Affliction Warlock glyphs do not increase damage or have any special utility outside drain soul for extra soul shards, however, it’s completely optional