Talk:Infernal Demons/@comment-12202589-20140909042600/@comment-1661895-20140909114726

It's most likely because of the nature of things in Inferno. In the Nintendo Direct, Yusuke Hashimoto says that there is no hierarchy amongst the demons and that power means everything. So if the demons have to kill others of their own kind in order to prove their strength (and thus become more powerful), they wouldn't hesitate to do so.