The Six Keys of Edwadox

Eudice Edwadox, the most powerful wizard of all time goes into hiding from his worst enemy, Lucifer Morningstar. But all of the magical plains depend on him and cannot cope without him. So he gives 6 newborn babies special powers and if they perform an incredibly powerful but dangerous ritual they will be able to conjure him. And when they are kidnapped and sentenced to death by Lucifer himself, the ritual is their only hope.

Note: This story is set in the 1800s