Where to find it
Inside Hillside Cavern, Isolated Island Cavern. Open the dungeon page for its map.

The big chest in the boss room.
Inside Hillside Cavern, Isolated Island Cavern. Open the dungeon page for its map.

The everyday small chest with a yellow glow. No key needed.
| Prize | Amount | Chance |
|---|---|---|
| Gold Coin | ×1,000–1,300 | 100% |

A big white chest with a purple glow, found in dungeon end rooms and special spots. No key needed.
| Prize | Amount | Chance |
|---|---|---|
| Advanced Technical Manual | ×1 | 50% |
| Ancient Technical Manual | ×1 | 50% |
Each roll gives one prize. “Always” rolls happen in every chest; the others only in that share of chests. The chance is per chest: the roll's chance times the prize's share of its list. Read from the Palworld 1.0.5 game files (DT_ItemLotteryDataTable and DT_FieldLotteryNameDataTable).