In one episode he shows some superstitious belief when a witch apparently casts a spell on him.

"A true witch can cast spells for someone else."

The witch casts a spell to kill her disloyal servant.

So, feeling rebuffed, the witches have cast a spell on the city.

The witch cast her squares of silk into the braziers and began a low chant.

The witch cast a shrewd look at him and saw that he meant it; so she began dancing around Gloria in a frantic manner.

"The old witch cast a spell on our team!"

A dire witch lives a mile up the road and casts her shadow across Wookin.

I think the witch might have cast a spell on her to prevent her from waking.

"The witch has cast her wicked enchantment over him as well!"