Energiser

Energira (エネルギー, Enerugī) was a monster located in the uninhabited area in Z-City in the audiobook, "Sonic, becoming Saitama".

Personality
It recognizes that there are beings stronger than itself and will go into hiding to avoid attention

History
a powerful monster hiding in Z-City’s uninhabited zone

Sonic, becoming Saitama
Tornado of Terror and Atomic Samurai are tasked to eliminate Energira, but Sonic, disguised as Saitama, encounters the monster first. Sonic struggles to fight the monster. Fortunately for Sonic, Saitama arrives and easily defeats the monster.

Physical Abilities
Energy Projection: the ability to compress said energy and emit them from its hands. a monster with limitless energy stock

Fighting Style
Hand-to-Hand Combatant: