Celestia might be based off the Sky People of Honkai | A Shared Continuity | Genshin Impact Theory

Far Fetched? Yep. Interesting? Very. If you wanna read the comics for yourselves Link below:

Links!:
Honkai Comics: https://manga.honkaiimpact3.com/book
Honkai Fallen Rosemary trailer: https://youtu.be/XJaGQr8OX48
Kardashev Scale: https://www.youtube.com/watch?v=rhFK5_Nx9xY
Orobashi's Motives: https://youtu.be/wv8muIJr4TU

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【BGM】
Honkai Mix:
https://www.youtube.com/watch?v=9PP7EzQf910

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The History of the Crimson Witch of Embers, Signora: https://youtu.be/AuwWlPc1p_Q
Everything Wrong with the 2.1 Story: https://youtu.be/ZoIJ_pLeG3U
The 3 Archons Real World Demonic Lore comparisons: https://youtu.be/WQ9vq4QqtHQ
History of Chiyo and the Mikoshi clan and the Iwakura clan: https://youtu.be/PaToAhI-rpw
What we know about the lore of the Harbinger Il Dottore: https://youtu.be/mfoDNO3o9GU
History of the Lawrence Clan: https://youtu.be/oQjgPHkBm4w
The lore of the Gladiator of Mondstadt: https://youtu.be/j6rCZyknrCQ
The Strength and Lore of the Qixing: https://youtu.be/qLYKZlJYNNg
How Elemental Power, Visions, and Magecraft work in Lore: https://youtu.be/jPQQfRfjK-U
The lore of the Bloodstained Knight: https://youtu.be/KQG1JUB_kxc
The Tragic tale of the Viridescent Venerer: https://youtu.be/skLStGMCoWs
The Knights of Favonius Lore and Strength: https://youtu.be/rFjO-KkmI_g
The Lore of the Geo God Rex Lapis or Zhong Li: https://youtu.be/yxm_zaZDeAA
The Lore of the Anemo God Barbatos or Venti the Bard: https://youtu.be/W51tMRCf2TI