A bomb-themed Egos Monster built around explosive attacks and sabotage. His design reflects Egos' direct terror tactics, turning hidden explosives and sudden destruction into weapons against Battle Fever.
Episode 36

An asura-themed Egos Monster with four faces and a heavily armed fighting style. He carries reinforced swords and can teleport, making him a difficult opponent to track in battle.
Episode 37

A skull-and-mushroom-themed Egos Monster whose design combines death imagery with poisonous fungus. He represents Egos' use of decay, contamination, and fear as tools of chaos.
Episode 38

A Hyde-themed Egos Monster inspired by hidden evil and split identity. His presence turns the idea of a harmless public face concealing a monster within into one of Egos' psychological weapons.
Episode 39

A study-themed Egos Monster tied to education and pressure. His scheme reflects Egos' willingness to corrupt schools, ambition, and childhood learning into tools for control.
Episode 40

A mechanical doll-themed Egos Monster whose motif turns toys and artificial life into something dangerous. His appearance fits Egos' pattern of using familiar objects as disturbing weapons.
Episode 41

An electricity-themed Egos Monster who channels electrical power into his attacks. His abilities make him a natural threat to machines, facilities, and the team's high-tech equipment.
Episode 42

A rolling-themed Egos Monster who emphasizes speed, momentum, and impact. His strange combat style turns movement itself into a weapon against Battle Fever.
Episode 43

An illusion-themed Egos Monster who uses deception and false images to confuse his enemies. His powers make it difficult for Battle Fever to trust what they see during battle.
Episode 44

A heart-themed Egos Monster whose motif reflects emotion, life force, and vulnerability. Like many of Satan Egos' creations, he twists a familiar symbol into a dangerous weapon.
Episode 45

A curse-themed Egos Monster built around superstition and fear. His scheme reflects Egos' ability to weaponize dread, turning the threat of a curse into a tool for panic and control.
Episode 46

A left-hand-themed Egos Monster with a grotesque body motif centered on a single hand. His strange design gives him a surreal presence among the late-series Egos Monsters.
Episode 47

A thief-themed Egos Monster used in a major robbery plot. His criminal motif fits Egos' broader strategy of using theft, sabotage, and public fear to destabilize society.
Episode 48

A carnivorous plant-themed Egos Monster based on a flytrap. His design suggests a predator that lures victims close before ensnaring them, turning nature itself into a trap.
Episode 49

An ogre-themed Egos Monster with a beard-like design element. As one of the final monsters before the endgame, he represents Egos' last wave of bizarre and brutal creations.
Episode 50

The monstrous form of Commander Hedder, Satan Egos' high priest and chief proxy. After his transformation, Hedder becomes one of the final threats standing between Battle Fever and the heart of Egos.

Kyutaro's hidden freezing spray helps turn the tide, allowing Battle Fever to stop Hedder before he grows into a giant form. His defeat clears the way for the final confrontation with Satan Egos.
Episode 51