Apollyon is ... something. From what he claims, he was the right hand man of a very powerful ruler, who wormed his way into Spinel's mind because of loyalty, not malicious intent. According to him, he "has no interest in a snot-nosed little shit like you". All he really does is openly mocks Spinel's skills in magic, or rather her lack of skills, but on occasion, he'll help out whenever he can. Well, if he feels like it...