Check out our complete Blox Fruits Fiend Yeti Mutation guide, and learn about how you can get the fruit, use its passive, moves and combos.

There are a handful of Fish Ruins that you can find scattered throughout Abyss. These ruins have a lock on their door, preventing you from getting inside.

If you've visited the northern village and encountered Merlinus, you'll have the choice to do Chapter 13x, The Peddler Merlinus.

Here is every quest, combat encounter, and more in Original Sin's final act: Arx.