User blog comment:B214/Talk About What You Want! 3/@comment-24053170-20141102210556/@comment-24468758-20141103180240

The curse of JD is lifted and it was upgraded to CCQ as the only price he has to pay is insane consumption of stamina. I think JD is BB only as going berserk requires you to be unable to attain more power to do something so they would just pay a price for BB as Issei did to free Rias of her engagement.