| Category | Achievement |
| Sub Achievement | The Chronicles of the Sea of Fog |
| Reward | 5/10/20 Primogems |
Requirement
Open 30/60/120 Chests on Tsurumi Island in Inazuma.
Lost Treasure Hunter
| Category | Achievement |
| Sub Achievement | The Chronicles of the Sea of Fog |
| Reward | 5/10/20 Primogems |
Open 30/60/120 Chests on Tsurumi Island in Inazuma.
