This is a possible concise summary:
The video is about Avatar Yangchen, a former airbender who lived four generations before Aang. The narrator summarizes her life story, from her childhood to her death, and highlights her achievements, challenges, and legacy. He also mentions how she helped Aang and Korra in their times of need. He ends the video by thanking the viewers and promoting his social media and Patreon.
Here are the key facts extracted from the text:
1. The text is about Avatar Yangchen, a lesser-known avatar who was four avatars before Aang and was Avatar Kuruk's predecessor.
2. Yangchen was born in the Western Air Temple and was raised by air nuns. She bonded with her bison and was tested to be the avatar when she was a child, but was not told until she turned 16.
3. Yangchen's first mission as the avatar was to stop a giant spirit named General Old Iron from destroying a city on the shore. She learned that the spirit was grieving for his friend Lady Tienhai, who was killed by the humans. She made a deal with the spirit to preserve the land and honor Lady Tienhai with a festival.
4. Yangchen faced many dangerous missions and had her own team avatar, two of whom sacrificed their lives for her. She became well-learned, smart and well-rounded as an avatar. She studied different philosophies and negotiated treaties with the Fifth Nation, a hybrid fleet of pirates.
5. Yangchen died of old age and was reincarnated as Avatar Kuruk. She became revered as a holy figure by the air nomads and the earth kingdom. She established a prolonged period of peace after her death.
6. Yangchen helped her reincarnations, especially Aang, by giving them advice and guidance. She explained to Aang why the avatar had to be human and compassionate, and how to balance selfless duty and spiritual needs. She also told him about her deal with General Old Iron, which Aang had to restore when the spirit returned.
7. Yangchen's spirit was lost forever when Unalaq destroyed Raava, the avatar spirit, ending all the past lives before Korra.
I hope this helps you. 😊