High School DxD BorN Episode 11: I Will Fight!
Episode 11 of 12 of High School DxD BorN, aired June 13, 2015, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Issei goes to see Vali for help, which is in itself an action against the underworld. With the help of Arthur and his Holy Royal Sword Collbrande, the Rias household goes to the Dimensional Gap. There, they meet Rias and try to bring her back.