Episode 12 - Clash with the Black Cat Pirates! The Great Battle on the Slope!

Episode 12
Clash with the Black Cat Pirates! The Great Battle on the Slope!
Japanese: 激突！クロネコ海賊団坂道の大攻防！
Gekitotsu! Kuroneko Kaizoku-dan Sakamichi no Daikōbō!

The Straw Hat Pirates encounter a mysterious island that is home to a powerful martial artist. They are forced to fight their way through various challenges before they can continue their journey. The island provides a glimpse into the diverse cultures and powerful fighters found within the Grand Line.