User blog comment:Crimson and Darkness/Shin DxD 3 discussion/@comment-2601:87:8300:20D0:4578:499D:F51A:F5E6-20190801024042

In my opinion Erebus attacks for revenge on there school trip. Issei uses his full power of Ophis with Lilith or leyline in Kyoto. Kunou proves herself and becomes the leader of Kyoto. Now Yasaka has a better relationship with Issei becomes his Rook and laughs with Ross.