Murakami

Murakami is the main villain of the Max Steel Reboot episode "Live by the Sword". He is skilled swordsman. In the past he desired to rule the world and wanted a strong sword to help accomplish that goal. He got a sword made by a forger but he put a curse on it which sealed Murakami in the sword. He later returned in the present episode when he took possession of one Max McGrath's friends, Kirby Kowalski to resume his mission.

"Live by the Sword"
The Sword first appeared when a person put a sword into Kirby's bag. He touched the sword and he immediately took possession of Kirby. Murakami appeared in alley where Bartholomew and his friends were about to attack him for being in their spot. Murakami instantly defeated them and proceed to go on a rampage throughout Copper Canyon.