This Ash of War grants an armament the Quality affinity and the following skill: Vacuum Slice: Lost skill of ancient heroes. Hold the armament aloft to surround it with a shearing vacuum, then launch it forwards as a blade-like projectile. Usable on swords and axes (colossal axes excepted).

Ash of War: Vacuum Slice Location in Vacuum Slice: Inside the ruined temple surrounded by waterfalls Southwest from the Across the RootsGrace site of grace at the bottom level in Deeproot DepthsGrace.