Then there's the Human side, the Sacred Gear possessors and the hybrids, as the Marines.
Dhampirs like Gasper keep most of the powers while migitating most of the weaknesses.
The Club manages to reverse the effects by the end, only for Issei who the two had been trying to de-age in the first place when Rias's spell backfired to suffer this when Gasper unintentionally pushes him into the magic circle.
He was the one who pushed for that series in the first place.
All in all, DxD is amazing and one of my personal favorites.
She ended up just thanking him for helping her with a on her cheeks and averted eyes.
After his training, he's delivering all the curb stomps to weaker devils.
As a result, the others decide they want to help him, since the end result was still getting rid of the holy swords.