Listen to Irregularity Attacks (Agnus Battle) online. Irregularity Attacks (Agnus Battle) is an English language song and is sung by Tetsuya Shibata, Shusaku Uchiyama, Kota Suzuki, Akihiko Narita, Rei Kondoh, CHAMY.Ishi and Shinichiro Satoh. Irregularity Attacks (Agnus Battle), from the album Devil May Cry Sound Box, was released in the year 2015. The duration of the song is 3:58. Download English songs online from JioSaavn.