The Regiment Hex (魔女連隊(レギメント・ヘクセ) Regimento Hekuse?) was a former secret ops established by Heinrich Himmler in Nazi Germany. After deserting from IU in WWII, its remnants gathered together as a terrorist group in some unknown exiled country, doing dirty jobs for high pay.

It joined "Greneda" faction during the Far Eastern Warfare (FEW) and was the final group Kinji defeated during the conflict.

Hidan no Aria World