Stolen Rune

"A rune that grows in power as you summon and banish enemies with Reciprocal Runes in the Court of Oryx."

- Item description

A Stolen Rune is received when killing Tier 1 bosses or by buying/receiving it from Eris Morn. It needs to be charged by killing Tier 1 bosses summoned by using Reciprocal Runes. When charged it will summon Tier 2 bosses.

A total of three Court of Oryx Tier 1 events summoned by the player must be completed before it is fully charged. This can be done in no particular order.