@jko1: those are hardly outliars. Her shields have consistently tanked planet busting attacks, they're made of the same energy wich the celestials control, which could explain their durability. The only limitation to her powers is her willpower, the shields themselves are unbreakable, period. She has blocked Johnny supernovas twice (supernovas can destroy a planet) and she has with her shields, survived the incursion that destroyed the 616 and ultimate universes. So no, the fears are not outliars just because you want them to be.
I don't know anything about the 7 deadly sins though, so I don't really know who would win.