"You can't ignore this fate, my dear~. It's truth. You fight for survival, then you die and become what you fought, only for those you once were like to kill you without knowing.
Knowing you were human. Just like what you humans have been doing for centuries.
You can't blame me, though. I have you your greatest wish; to cure cancer, to have friends, to have your love notice you, to have your love be brought fourth infinitely...
Hate me as much as you want, but all this was because you wanted a wish.
The entire reason you became witches were because you saw what you did wrong and hated yourself. Hated yourself for being 'selfish' and 'not caring about others!'
But, I mean... the truth's hard to take, yes. But... let's look at it this way.