I love the concept of Leviathan being too powerful. He is.
As for shiva being the only human-ish thing, how about Ramuh? Or Ifrit whom is a minotaur - half human half bull?
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Saix said:Shiva... well, because I do like the fact she's one of, if not THE only humanoid summon
That should say enough. But I never said she was exclusively the only humanoid.