Legionoid is a robotic monster and combat unit appearing in Ultraman Zero THE MOVIE: Super Deciding Fight! The Belial Galactic Empire. It serves as one of the mechanized forces deployed by Ultraman Belial’s army. As a mass-produced enemy robot, Legionoid functions as an expendable but dangerous battlefield opponent, designed to overwhelm heroes through sheer numbers and firepower. In the film, it helps establish the scale of Belial’s military threat and provides a tough obstacle during the conflict against Ultraman Zero and his allies.