kill an immortal mage

Earl's point of view:

There was indeed something different about these girls. They didn't feel dark or obscure, like other witches. They didn't need blood or candles to set their magic free. There was nothing disgusting around them, such as human hair, animal body parts, or creepy plants that I don't know from where they manage to find. The whole place looks heavenly beautiful, and so the witches. I sort of start believing that these girls are white witches. 

You might wonder about who are those white witches. Well, it's common not to know about them since they were proved to be nothing more than just tales. White witches are known to be witches that never practiced dark magic, aka magic that hurts others. Again, since witches' magic is based on sacrifices and chaining powers with ancestors - white witches never existed outside tales. 

Still, these girls over here are pulling me to ask a questio