Several Drama CDs, based on the Bastard!! manga, have been produced. These expand on the story by offering new details about character backgrounds, and important events.
List of Drama CDs[]
Bastard!! Gaiden Vol. 1 (1991)
The first Drama CD. Covers Dark Schneider's first meetings with Arshes Nei, and Kall-Su, as well as the story of how he earned his title the "Lord of Fiery Explosion".[1][2]
Bastard!! Gaiden Vol. 2 (1992)
The second Drama CD. Covers Dark Schneider's battle with Gara at his Ninja Fortress, and his battle with Abigail at Metallicana.[1][2]
Bastard!! Gaiden Vol. 3 (1992)
The third Drama CD. Covers how Prince Lars Ul Metallicana summoned the Dragon Knight and defeated Dark Schneider at the end of the Golem Wars, and Geo Noto Soto sealing Dark Schneider in Lucien Renlen.[1][2]
Bastard!!: Wonderful Megadeath (1994)
The fourth, and last, Drama CD. Adapts stories from the Wonderful Megadeath doujinshi into audio form.[1][2]