Demonic Pact

Demonic Pact is a passive warlock talent that increases the Warlock's spell damage, and grant's 10% additional Spell Power to all party or raid members within 100 yards of the Warlock's summoned demon.

Demonic Pact is very beneficial to have in 5-man instances, and even better in raids. For example, if you have +2000 spell power, then this will add +200 spell damage to all raid members much of the time.

The Demonic Pact buff does not stack with an Elemental Shaman's Totemic Wrath.