The strongest enemy is Ultraman.

Ultraman Zearth 2: Superhuman Big Battle - Light and Shadow

Action|

Adventure|

Family|

Science Fiction|

7/10

Ultraman Shadow, Ultraman Zearth's most terrifying adversary yet, is brought to Earth by the murderous alien, Lady Benzen to be Ultraman Zearth's assassin. Ultraman Shadow is a warrior of darkness equipped with mysterious powers. Prepare to witness the ultimate showdown, colossus versus mighty colossus, the battle ground: Planet Earth!