A character from the indie game [[Helltaker]]. Made her appearance in the anniversary update. Known as the Science Demon, she acts as the antagonist of the anniversary update.

[spoilers] She is in fact [[azazel_(helltaker)|Azazel, the curious angel]], having fallen due to her excessive curiosity. It has served her well however, as she used all the knowledge she had gained to conquer hell in the interim between the events of the main game and Examtaker[/spoilers]
ロアマスター(Helltaker)