One Piece – Thundergod Marine - Chapter 92 Disturbance Part 1

... f pure steel, and the walls of this room are riddled with irregular bullet-hole-like transmitters, this environment is enough to send a Panic-terror victim into a coma.

Due to the limitation of the Battleship area, Rowen can only do some basic training during his time on the ship, and the extensive wide range attack moves of his Devil Fruit cannot be developed in-depth.

His training with Armament Haki needs more combat cooperation, so he can only train Observation Haki and Marine ...