Ancient aquatic antagonist

Sea creature

Deep sea

Sea monster

Ancient antagonist

Aquatic antagonist

Fantasy fish

Underwater beast

Aquatic entity

Deep dweller

Mythical creature

Sharp teeth

Large eyes

Ancient beast

Aquatic beast

Aquatic monster

Marine monster

Ominous monster

Sea demon

Mutant menace

Fantasy art

Fantastical creature

Supernatural creature

Mysterious creature

Mythical monster

Underwater creature