Sailor Piece Item
How to get Eternal Core in Sailor Piece
EpicNinja Island
Eternal Core is a epic fighting-style material in Sailor Piece, obtained from Strongest Shinobi Boss on Ninja Island at a 1% drop rate. Below are all confirmed sources and everything it's used for.
Where to Get Eternal Core
There are 2 confirmed sources for Eternal Core, ranked below by usefulness. Farm rates below are from community tracking.
| Source | Location | Drop Rate |
|---|---|---|
| Strongest Shinobi Boss | Ninja Island | 1% |
| Madara (The Strongest Shinobi) Boss | — | 1% |
What Eternal Core is used for
Fighting Style
Strongest Shinobi×3
