Äs believes irrational fear is a force which one cannot overcome, unlike rational fear. Because of this, he has the utmost confidence in his special ability. He is quite arrogant, also takes delight in his ability to cause fear in foes, and often laughs menacingly. During battles he has a habit of going on long, philosophical tangents regarding the nature of fear, often while rolling his eyes and turning his head in a disconcerting manner. Äs has a twisted sense of dark humor.