Luo Mu crossed into the world in one piece and cut off the devil fruit that Admiral Green Bull had during the Rocks D. Xebec Era, giving him the ability to control plants, Overspeed self-healing, etc. He also has the terrifying ability to absorb the life essence of the people strong and feedback it to himself.

When the Battle of the God Valley broke out, the Rocks Pirates were in danger of being overthrown as Garp, Roger, Sengoku, and Zephyr joined forces to defeat Rocks while Luo Mu stood calmly on the top of the mountain watching the battle.