User blog comment:SeraphLucifer/Discussion/@comment-168.169.25.92-20151201141228/@comment-168.169.25.92-20151201220116

It wasn't confirmed archangels were stronger than Leviathan. But it also wasn't confirmed leviathan were stronger. The difference is, people like Twilight Despair 5, and Lambda1 always try to add it in like it's actually been confirmed.