Eel Dragon

Eel Dragon (ウナギドラゴン, Unagidoragon) is a Dragon-level Mysterious Being.

Appearance
Eel Dragon is a very large monster with multiple spike-covered heads. Each head has two eyes on the side of its face and a gaping mouth with rows of teeth, resembling that of lampreys.

Supreme Hero Arc
Eel Dragon first appears in L City, where it obliterates the city's business district. It is promptly taken on by Blue, and the two engage in combat, with Blue dodging Eel Dragon's acid shot but remarking on its power.

Abilities and Powers
As a Dragon-level Mysterious Being, Eel Dragon is an incredibly powerful monster, with even Blue, who easily dispatched a Demon-level threat, remarking on the danger of fighting it.

Supernatural Abilities
Acid Spit: Both of Eel Dragon's heads can spit acid strong enough to dissolve buildings.