Black Battler is a playable character in Ougon Musou Kyoku, introduced in Ougon Musou Kyoku Cross, and a villain from Umineko no Naku Koro ni. He embodies, represents, and is powered by the Ushiromiya family's idea that Battler Ushiromiya is the culprit behind the Rokkenjima murders. He appeared in the Forgery no.XXX TIPS, as featured in Umineko no Naku Koro ni Hane.