The conversation between Lucifer, Michael and God when Lucifer first began to doubt.

'Magic pored into her filling her every cell and filling her magical core to the brim. Screaming; her body practically tearing apart from the overload of magic. Her magical core; was pulsing and stretching trying in vain to accommodate the influx of magic.' Lily Evans is known to be a great witch, but how did a muggleborn become the most powerful witch of her age?