Below are the treasure chests that can be found at Bryonia Island in Trails of Cold Steel IV.
- Repair Stone / Rise Stone / Brave Stone / Resurrect Stone
- Aerial Dust R
- 100 of each Sepith
- Freeze II
Byronia Island (After Sol Shrine)
- Teara Balm / EP Charge II / Celestial Balm
- Blond Hair – Duvalie
- Calvary Edge R