Berserker (バーサーカー, Bāsākā) is the Berserker-class Servant of Rani VIII in the Moon Cell Holy Grail War of Fate/Extra. Berserker's True Name is Lü Bu Fèngxiān (呂布奉先, Ryofu Hōsen), the General of Repetition (反覆の将, Hanpuku no Hata) of the Romance of the Three Kingdoms. He is an infamously treacherous military commander from the Three Kingdoms era. For two times he cut down his foster fathers, and to repeat the act of betrayal on countless occasions was an unbelievable act for the China that esteemed the Confucian morals. Still, his military exploits, deeds of arms are unmatched and he was counted as one of the strongest in the world of the Three Kingdoms.