I was thinking, I could turn him into a fly and drop him...

I was thinking, I could turn him into a fly and drop him into a spider's web and watch him tangled and helpless and struggling, shut into the body of a dying buzzing fly; I could wish him dead until he died.I could fasten him to a tree and keep him there until he grew into the trunk and bark grew over his mouth. if he was under the ground I could walk over him stamping my feet.