You’ve reached your account maximum for followed topics. Mending Rune of the Fell Curse is a Mending Rune in Elden Ring. This rune will allow you to access an alternate ending in the game's finale.

Engrave your helm with the Pandemic rune: Periodic damage from your Corruption, Unstable Affliction, Curse of Agony, Immolate, Curse of Doom, and Siphon Life abilities can now be critical strikes.