Based on the clues left at the crime scenes, it can be preliminarily deduced that one of the perpetrators possesses superhuman strength and immense destructive power, while another can generate flames out of thin air, creating explosion-like effects.
This aligns closely with the abilities demonstrated by the two previous suspects.
The only puzzling part is that the victims almost all left willingly with the criminals prior to being attacked, yet ultimately suffered severe abuse and were murdered without exception.
Chapter 490