Guan Yu was an important general of Shu Han during the Three Kingdoms period. His deeds were depicted in many novels, movies, and television dramas. The following are some stories about Guan Yu: 1. Guan Yunchang's Single Blade: The story tells the scene of Guan Yunchang leading a single blade to a duel with Cao Cao. This battle was considered one of the most famous battles of the Three Kingdoms period and also one of Guan Yunchang's most famous battles. 2. Guan Yu's Megacity in China: The story tells that Guan Yu led the army to resist Cao Cao's attack in Maicheng and finally defeated Cao Cao's army and shocked China. This battle was regarded as one of Guan Yu's most glorious moments. 3. Guan Yu's Righteousness: The story tells that Guan Yu once lost his loved ones because of his righteousness, but he still firmly defended justice and finally became the guardian god of Shu Han. 4. Guan Yu Flooded the Seven Armies: The story tells that after the Battle of Red Cliff, Guan Yu flooded the Seven Armies and defeated Cao Cao's army, becoming one of the greatest generals of the Three Kingdoms period. 5. Guan Yu lost Jingzhou: The story tells that Guan Yu lost Jingzhou due to a mistake in decision-making when he attacked Jingzhou, causing Shu Han to lose an important strategic location. This defeat had a huge impact on Guan Yu's reputation and status. These stories are only part of Guan Yu's story. There are many other stories and legends about this great general.