One Piece Episode 371 Here

During the battle against the Straw Hat Pirates, Moria demonstrates that by manipulating a person's shadow, he can force their physical body to change its shape as well.

Moria uses this "feature" to make the giant zombie, Oars, stretch his limbs just like Luffy. Normally, Oars is a giant who cannot stretch, but Moria extends Oars' shadow, which forces Oars' physical body to elongate to match the shadow's shape. One Piece Episode 371

Moria systematically takes down several Straw Hats, including Nico Robin, Sanji, and Chopper. During the battle against the Straw Hat Pirates,

The episode concludes with the debut of , who arrives to challenge Moria and Oars. but Moria extends Oars' shadow

Chopper deduces that Oars originally died from frostbite 500 years ago in the Land of Ice.