UnlockDefeat combatants using Ruinous Effigy and Transmutation spheres, or destroy Eyes of Savathûn during Season of Arrivals.
What it doesThis weapon gains increased damage after using a Transmutation sphere to damage powerful combatants or deal final blows.
How to get the catalystAcquired by defeating a combatant with Ruinous Effigy's Transmutation sphere.
Weapon source: Exotic Archive at the Tower