Demonology Warlock uses his summons pets to support its damage, has one of the best raid buffs in-game with [Demonic Pact] increasing spell power based on the amount of spirit. Recent calculations have put the importance of [Demonic Pact] on the same level of Bloodlust has the buff is constant.

Talents for Demonology Warlock Wotlk

Demonology Warlock Felguard build

Demonology Warlock Imp Talents for Wotlk, if hit is needed the one point in [Demonic Power] can be changed for 1% increase in [Suppression]

Glyphs

Major

Glyph of Quick Decay

Glyph of Life Tap

Glyph of Metamorphosis

Minor

Glyph of Drain Soul

Notes

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