But those who hope in the Lord will renew their strength. They will soar on wings like eagles; they will run and not grow weary, they will walk and not be faint. Isaiah 40:31

Sam knelt inside the salt circle and began to chant.

Do not be sore afraid; do not be discouraged, for the Lord your God will be with you wherever you go. Joshua 1:9

"Adjuro te serpens antíque, per júdicem vivórum et mortuórum….."

What do you see? A ghostly figure coming up out of the earth. 1 Samuel 28:13

That's why exorcism works.