User blog comment:Crimson and Darkness/Shin DxD 3 discussion/@comment-43933896-20191009022903/@comment-43933896-20191009165823

Vali needed the albion venom to defeat Azida Jaka, but Issei defeated Aphofis without Ddraig's flames. I am also quite sure that when they face Issei, they will already have True DxD.