Mending Rune of the Death-Prince is a Mending Rune in Elden Ring. Rune gestated by Fia, the Deathbed Companion. Used to restore the fractured Elden Ring when brandished by the Elden Lord.
If you’re looking to survive the unforgiving Lands Between, here’s a look at how to find and use Rune Arcs in Elden Ring.