- Firelink Shrine
- High Wall of Lothric
- Guaranteed drop from Lothric Wyvern.
- Smouldering Lake
- Five are found on corpses scattered along the lake area.
- Irithyll of the Boreal Valley
- Guaranteed drop from Silver Knights. (×2)
- Catacombs of Carthus
- Dropped by Skeleton Wheel
Reinforces normal weapons from +4 up to +6.