The Evil Ultraman Belial

Ultraman Belial, was an ultraman that was imprisoned long ago by the Ultraman King.

Belial has access to the Giga Battle Nizer, a device similar to those from the Ultra Galaxy series which gives him the power to control one hundred Ultra Monsters which he uses to attack the Land of Light in Nebula M78, the home of all Ultramen.

Ultraman Belial was actually corrupted by Reiblood Seijin, which turned him evil. Ultraman Belial is also a very capable Ultra, capable of taking on many Ultraman at once.