He couldn’t make up his mind if he was good or evil, so he helped the Creator one day and caused destruction the next.
OCASTA invented witches to do his dirty work, but was attacked while wandering the Earth by a lady with a pointy stick. The men of the nearest village chucked him on the fire as punishment for his crimes.
But as death loomed, his good nature prevailed and he blessed his captors with knowledge, wisdom and power. Some of them became the first medicine men. And all were very grateful. Except the witches.