Scaledon

Scaledon (ウロコドン, Urokodon) was a Mysterious Being that escaped from the Hero Association's facility. It can be considered the main antagonist of the Squadron extra chapter.

Squadron
Scaledon had been captured for study and exploitation by Metal Knight then handed to former coordinator of the Z-City Heroes association Branch, Guiches, who intended to sell its scales to a collector of monsters. But the creatures new feeding habits while in its sheltered environment caused it to mutate into a more vicious form breaking free from containment eventually escaping into forest which divides Cities Z and Y.

When it is made apparent that a shift in environment and diet caused an alarming growth spurt however, information of which is withheld as a group of B ranked heroes; pertaining of which is Caped Baldy. Who were sent out to dispatch it without harming the creature. When the hero group, minus Saitama, catches up to the beast he is already caught within numerous snares set up by one of their number Trap Tengu. All obstructions of which prove ineffective as the monster easily rips through them all, dispatching all the heroes who confront it head on and eventually devouring them one by one.

Saitama eventually catches up to it just after finishing the last hero of the team, as the former demands the monster to spit them back out as he wants quit the team up to their faces given that they bemoaned him and left him behind while out on the hunt. Scaledon instead opts to eat him whole reuniting Saitama with the rest of the unconscious crew, seeing as taking it in alive was no longer feasible the hero quickly blew a whole out its back freeing both himself and whatever else Scaledon had consumed along the way killing it instantly.

Abilities & Powers
As a Demon threat, Scaledon could easily overpower B-Class heroes.

Physical Abilities
Immense Strength: Scaledon is strong enough to easily overpower and eat a team of B class heroes, rip apart steel nets and tear down trees

Immense Durability: Scaledon's hide is tough enough to withstand Wild Horn's Pile bison without a scratch

Prehensile Tail: