User blog comment:Piyush Banerjee/Shin DxD 2 discussion/@comment-34061653-20190122110131/@comment-10330822-20190128030429

Except that was never necessary. You make it seem she did her best, but that isn't true. I literally just explained how you beat Issei with what Rias had.

Its called "You don't waste Crom Cruach". Kiba with his Holy Demonic Swords and Gram would have been a fine match for Fafnir, especially if he was doing damage to Issei who is far stronger than Fafnir, meaning there was really no reason for Crom to have to fight Asia.

Instead, you sick Crom on Issei right away, because Issei can't use Ddraig until after using Pseudo DxD for 80 minutes. Instead Rias has Issei just fight Kiba and by the time Crom can fight Issei, he's stuck fighting Ddraig.

Had Rias beat Grayfia, she could have double-teamed Issei with Crom Cruach without Issei being able to use Ddraig. What exactly is wrong with that plan?