User blog comment:Crimson and Darkness/Shin DxD 3 discussion/@comment-41.13.12.215-20190801100529/@comment-2601:87:8300:20D0:4578:499D:F51A:F5E6-20190801202633

So basically Ophis is the same as boobs for Issei to awaken his power and if its just a prayer why is she in the chant in his jewels. If you think about it both Issei and Vali's powers are similar just a bit different. In a sense just the opposite of each other.