Language is fluid. "Shan-Yu The ruthless leader of the Huns in Mulan; voiced by Miguel Ferrer. The name means “Invader from the North"" (d23.com, https://d23.com/a-to-z/shan-yu/ ).
he story follows A Mai, a female general of the founding era of the Southern Xia dynasty, who discards her feminine attire and dons battle armor, enduring hardships to become a legendary female warrior. A Mai, the daughter of the Duke of Jingguo in Southern Xia, witnesses her entire family being killed by her childhood friend Chen Qi. Years later, A Mai, now a young woman, disguises herself as a man and roams the martial world, seeking revenge against Chen Qi. Through a series of coincidences, A Mai saves Shang Yi Zhi, the son of the Grand Princess, and subsequently helps him escape from dangerous situations multiple times, intertwining their destinies. As war breaks out, A Mai sheds her feminine attire and joins the military, becoming an infantry soldier. With her exceptional military talents, she achieves remarkable feats and rises to the rank of General Mai. Alongside this, she assists Shang Yi Zhi, who is hunted and faces difficulties, in finding his true self and accomplishing great deeds.
Shan-Yu appears in Kingdom Hearts II as the main antagonist of The Land of Dragons. He originates from Disney's Mulan. Instead of being the leader of the Hun army like he is during the film, he possesses an army of Heartless. Shan-Yu's eyes and ears is his loyal pet peregrine falcon, Hayabusa. Hayabusa appears as an ominous warning to others that Shan-Yu and his army are approaching.
Story
Kingdom Hearts II
After burning down a village, Shan-Yu stands among the ruins with his falcon, Hayabusa. Later, Mushu tells Sora, Donald, Goofy, and Mulan how he saw Shan-Yu enter a cave near the Village. As the party heads into the cave, they fall into a trap, and when they return outside, they witness how Shan-Yu had attacked and burned down the village. The party follows Shan-Yu to the mountain's summit, where Mulan uses fireworks to cause an avalanche, swallowing Shan-Yu and his army of Heartless.
Mulan notices Shan-Yu had survived the avalanche, and is headed towards the imperial palace. As the party catches up with Captain Li Shang to warn him, his soldiers transform into Heartless. After taking care of them, the party finds Shan-Yu holding The Emperor hostage, but Li Shang knocks him back, and brings the Emperor to safery, leaving Sora, Donald, Goofy, and Mulan to protect the palace doors and fight Shan-Yu, eventually defeating him.
This information is based on alternate scenes or materials and is not considered canon within the overall plot of the series. In the Kingdom Hearts II manga, While Shan-Yu gains control of the Heartless and creates an army of them through the darkness in his heart, his army is made up of his compatriots. Through Xigbar, he learns about the power of darkness and receives a fraction of it in exchange for his help. When he rushes at the mountaintop with his people to attack Sora and his friends, his soldiers transform into Heartless. After he frees himself from the snow caused by the avalanche, he summons the Storm Rider. When he is defeated and the Storm Rider is destroyed, he asks Xigbar to give him more power over the darkness, but is killed by him for his failure.