Sometime after the events of Ultraman Meibus, Earth is in danger again. With the Earth's safety at stake from its impact, the Darkness Fear could only be stopped from within.
Continuing where the previous story left, Mechazam proceeded to attack EX Zetton in mad fury but almost perished in the molten lava until Mebius saved him, despite being heavily injured by EX Zetton. Being thrown to the Battle Nizer, Mechazam tried to break the seal under Mebius' guidance to reve...