- 10 can be bought from Blacksmith Lenigrast for 800 souls each.
- 10 can be bought from Stone Trader Chloanne for 1,000 souls each. Her stock becomes infinite after clearing Iron Keep.
- 20% drop rate from the dual wielding Skeletons in Huntsman's Copse and Harvest Valley.
- 20% drop rate drop from Undead Steelworkers in Harvest Valley and Earthen Peak.