- Once the Crown of the Sunken King DLC has been installed, three are sold by Merchant Hag Melentia for 6,000 souls initially. As the player progresses through the game and defeats the Lost Sinner, Old Iron King, The Rotten, The Duke's Dear Freja, and the Looking Glass Knight, she will restock and increase the price for each one slain.
- Belfry Luna
- Aldia's Keep
- Cave of the Dead
- ×2 are looted from a corpse found on the third level down while descending toward the boss room.
- Brume Tower
- Frozen Eleum Loyce
When consumed, the player will deal 20% more damage and receive 20% less damage. Effects last for two minutes. Brightbugs cannot be used while a phantom is present.