Guan Yu (160-219 AD), also known as Yunchang, was an important general and historical figure of Shu Han during the Three Kingdoms period in China. He is a trusted aide and deputy general of Liu Bei, as well as a legendary figure in Liu Bei's clothing token "Scratching Bones for Healing". Standing at seven feet and five inches in length, with a beautiful and majestic beard, and high martial arts skills. He made significant military achievements for Liu Bei in the Battle of Red Cliffs and was awarded the title of "Marquis of Wu", becoming an important assistant and protector of Liu Bei. He is known for his loyalty and bravery, and is revered as the "Martial Saint" by people. Known as' Guan Gong 'by later generations and widely worshipped. The spirit and story of Guan Yu are widely praised in Chinese culture and have become legendary figures in history.