Luffy's next Haki power-up, called Observation Killing, will allow him to reach the level of the likes of Shanks.

Rei is the Deputy Lead for GameRant's Anime Team from Kashmir, situated in Beirut. He's an avid fan of anime and manga. Rei grew up watching anime and had a knack for writing ever since he was a kid, ...

Rei is the Deputy Lead for GameRant's Anime Team from Kashmir, situated in Beirut. He's an avid fan of anime and manga. Rei grew up watching anime and had a knack for writing ever since he was a kid, ...

This article contains spoilers from One Piece's Elbaf Arc. Luffy must master Conqueror's Haki to defeat tough foes like the Holy Knights and Imu. Shanks possesses superior Haki to Luffy and can even ...