Engrave Belt - Grimoire of Synergy
Client records describe this reading. They do not confirm availability in gameplay.
Current client record
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.
Sourced change history
No changes in the tracked log could be matched to this record. This does not mean the ability or item has never changed.