User blog comment:Piyush Banerjee/Shin DxD 2 discussion/@comment-36663391-20181209201655

Hades could be turn absolute crazy maybe he if discoverde the weapons called Malebranche he can want used the Sephiroth Graal for allow to Lilith to survive and maybe linking the Malebranche to she trougth the machinery that have used for created Balberith and Verrine. At this point I believe that Lilith thanks Hades could be turn into the final boss. Here what are the Malebranche:https://highschooldxd.wikia.com/wiki/User:Merkarion/Malebranche