Onyx Blade
- Category: Weapons – Greatsword
- DLC: Ashes of Ariandel
- Requirements: STR 14, DEX 12, INT 15, FTH 15
Where to find it
Dropped by Sir Vilhelm, who blocks the way inside the library.
Walkthrough steps
- Painted World of Ariandel: Kill Sir Vilhelm in the library for the Contraption Key and the Onyx Blade.