Board Thread:General Discussion/@comment-24942479-20170418071225/@comment-25926288-20170418135403

In show, Merlin said that the birth of the dark one was the origin of dark magic. Black Fairy said that she practically invented it. Neverthless, the gods predate her and the Dark One predates Black Fairy turning dark.

Hades and all deities can work beyond the laws of magic, Black and anyone else cannot do the same unless they invoke powerful magic through a spell or something.