`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.` `Video: MPEG4 Video (H264) 1280x720 23.976fps [V: MP4 Video Media Handler [English]]<br></br>Audio: AAC 44100Hz stereo 1411kbps [A: MP4 Sound Media Handler [English]]`