Ryukotsuki

Ryu Kokki (龍骨鬼 (りゅうこつき) Ryū Kotsu Ki, lit. "Dragon Bone Demon") is the final boss of the 1987 Famicom game Getsu Fūma Den and also appears as the boss of Chapter 11 in the Harmony of Despair stage "The Legend of Fuma".

Videos
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Final boss battle against Ryu Kokki in Getsu Fūma Den

Trivia

 * [[Ryu Kokki|Ryu Kokki (song)] is also the name of the Getsu Fuma boss theme from Harmony of Despair.