It takes no morality.
That actually displays more problems, not less, and conforms with Witchcraft.
Witchcraft conforms more with the idea of master morality than amorality. Basically taking moral systems and squeezing them for power. Amorality doesn't offer as much to would be witches or master morality super-people who utilize immorality or amorality/morality (not amorality/amorality.)