While what he was doing was obviously very wrong morally, in a lot of other ways, he definitely has a solid point, and in some cases, I would even consider him right, in fact, I would go so far to say that what he was doing WAS right, simply for the wrong reasons. I can't say hes the bad guy simply because he wanted to get stronger through ill means, especially since that one lab that was testing the drug that Jiwoos mother worked at did it way worse than Jurion. The only thing he did wrong was kidnapping Jisuk, because its pretty obvious when someone like that goes missing, and if you're doing something that needs to be secret, don't let personal attachments sway you. He was still the bad guy though, not justifying it, just reasoning that hes not as bad as the comments are making him out to be
throughout heaven and earth, I alone, am the most mentally incapable one