I snapped awake, and my stiff neck instantly regretted it. I'd fallen asleep on my room's floor with my back against the side of my bed and with my head bowed over The Book of Black Shadows spread open on my lap. I'd been reading about the soul-splitting spell, big, powerfully dark magic that knocked many into mage's oblivion if they even tried it. Plus, if done on another person, it could split the spell-caster's soul apart too.

The Book also said the six parts of a soul were ...