Rune of Synergy
UncommonConsumableItem level 40Requires level 1
Usable by 
“Teaches you a new Engraving ability.”
Rune of Synergy
Binds when picked up
Unique
Classes: Warlock
Requires Level 1
Teaches Engrave Belt - Grimoire of Synergy: Engrave your belt with the Grimoire of Synergy rune: Damage done by you or your summoned demon has a 10% chance to increase the damage done by the other by 10% for 15 sec.
“Teaches you a new Engraving ability.”