Atenias said:
Disappointed at Mammon: he can't control his own powers. If he was skilled, then he could channel his power solemnly to the enemies, instead of everyone in the room. Also, he took damage himself on a rule he himself set.
Also: I am not a fan of D18, it is too cliche.
Mammon put himself under the illusion, too, because he wanted to prove he didn't doubt his/her victory.
I was hoping we'd get to know Mammon's gender this chapter.