Darkstalker's soul is revealed to be almost entirely evil, which terrifies him beyond belief. He begins to panic, wondering why his soul protection spells didn't work. Qibli suggests that his soul is evil because of his actions, not his magic, and Darkstalker turns to kill him.

Is Darkstalker good in Wings of Fire?

Darkstalker was a villain with good intentions, which made him really, really bad. I don't think I ever realized how young he was when he did all the things that he did, but he was maybe seven or eight. He had just become a full grown dragon, and he plummeted morally.

Does Darkstalker like moon?

When Qibli got to the lost city of night and talks to Moon, he gave her the earring, and she said nothing had happened, stating Darkstalker had not put a spell on Moon because he liked her as a friend.