Board Thread:Fan-made Monsters/@comment-28815651-20160629030826/@comment-27950421-20160701052107

The leviathan is a sea dragon. There isn't any exact description however it is said to be the largest thing in the seas and the only one of it's kind. After god had created it and it's mate during creation god had realized that he had made it too powerful. To god killed its mate and made two creatures to fend it off and trap it in the sea. The tiny stickleback fish, which the Leviathan fears and avoids at all costs, and the behemoth which was the only beast that could match iy in battle and was destined to slay and be slain by the leviathan. The leviathan was said to have scales the size of shields, claws that could cause whirl pools, and a tail that could cause tidak waves. It jaws were said to be a gate way to hell and it would spit hellfire to burn what was on land or to boil the seas.

I wouldn't say that you were entirely accurate. Especially since there's no mention of the ocean or even water, which is the leviathans domain. The leviathan itself isn't really a demon persay, but a great beast that sides with ol'Lucy and his crew because of the god killing its mate thing. It fights on the side of hell so by Abrahamic religion standards it might as well be a demon.