Impel Down is an underwater prison and the eleventh island in A 0ne Piece Game. In the original series, it is the prison Luffy visited to rescue his brother, Ace.
This island features an inner and outer wall. The entrance is a bridge crossing through both walls, leading into a grassy terrain and the entrance to the actual prison. In A 0ne Piece Game, Impel Down has no underground levels and the building is empty.
NPCs
Set Spawn
Much like most other islands, this island features a set spawn NPC, which is located at the port. Upon interacting with the character, it will set the user's spawn location to Impel Down.
Quest Dummy 11
This island's quest dummy is located left of the entrance to the building. Below are the quests available:
| Quest | Reward |
|---|---|
| Eliminate 1 Magellan | B$800,000 |
| Eliminate 7 Impel Guards | B$500,000 |
Hostile NPCs
| Name | Image | Location | Bounty (Beli) | Notes |
|---|---|---|---|---|
| Impel Guards | 
|
In the grassy area just outside the building. | 2000 | |
| Magellan |  |
Inside the building. | 20000 | This boss has the Venom fruit power. |