Billy punched Ollen with all his might and also enchanted his fist with ice magic. The diamond armor became covered in ice while the enemy was spinning in the air, and when he stopped after destroying another wall, he got up, but he looked annoyed at the ice that covered a good part of his body. He had low Resistance against ice since he had a high Resistance against fire and Earth. Billy wondered why that was the case, and the same thing was related to the effects of the weapons that had the insignia. That certainly was a clue to the mystery...