Den Yuu is a 100-man Commander in the Qin Military and a member of the Hi Shin Unit. he is one of the original members of the Hi Shin Unit. He was tasked with gathering strong people for Shins 100 man squadron. He has participated in every battle since the founding of the Hi Shin Unit. Considered strong enough to be counted as part of the Four Monster Squad. He has trained in the carpentry trade. (Source: Kingdom Wikia)