[IMPORTANT]
I'm so sorry you guys, something went wrong with the Youtube upload and there's about a minute of black screen towards the end. Unfortunately I was too late to catch this before most people watched it and I don't want to lose their comments. The only "fix" I can do is cut the section out because that's the only postrelease editing Youtube allows, so I have done that. Apologies to channel members since it's their names that have been cut.

Not quite a fullfledged theory, but too fleshed out to just be considered observations. In part two of the post Caribert Archin Quest recap & analysis, we'll be talking about the identity of the "Sinner" and boy or boy, is there a lot to discuss.

PART ONE:    • [3.5] Caribert  Archon Quest Recap &...  

*TIMESTAMPS*

0:00 Introduction
1:00 Overview
4:20 Irmin
6:10 King of Dahri
9:10 Samiel
11:30 Forbidden Knowledge
13:00 Khaenri'ah's Heirs
16:50 Symbolism
18:55 Historical References
21:31 Final Thoughts (and tiny theories)

*RELATED VIDEOS*

IslandXD's theory on the Sinner:    • What Dainsleif FAILED to tell you abo...  
Little Onion that Could's theory on Nahida:    • Nahida is NOT Rukkhadevata, BUT... | ...  

*CITATIONS & FURTHER READING*

Related theory on Reddit:   / why_king_deshret_might_be_irmin  
Differences in the perception of sound by age: https://decibelpro.app/blog/soundson...
Queen of Sheba: https://en.wikipedia.org/wiki/Queen_o...
Parzifal: https://en.wikipedia.org/wiki/Parzival
Percival: https://en.wikipedia.org/wiki/Percival
Parsifal: https://genshinimpact.fandom.com/wik...
Fisher King: https://en.wikipedia.org/wiki/Fisher_...
Deshret’s Glass Goblet: https://genshinimpact.fandom.com/wik...
Freemasonry: https://en.wikipedia.org/wiki/Freemas...
Masonic Order: http://www.knightstemplar.org/KnightT...
Templar Knight Mythology: https://thetemplarknight.com/holygra...
Iblis: https://en.wikipedia.org/wiki/Iblis
Peacock Angel: https://en.wikipedia.org/wiki/Taw%C3%...
Silver Twig: https://genshinimpact.fandom.com/wik...
Dark Statuette: https://genshinimpact.fandom.com/wik...
Knights Templar: https://en.wikipedia.org/wiki/Knights...
Samiel (Samael): https://en.wikipedia.org/wiki/Samael
Knights Templar (freemasonry): https://en.wikipedia.org/wiki/Knights...)
Swan Knight: https://en.wikipedia.org/wiki/Knight_...
Schwanenritter: https://genshinimpact.fandom.com/wik...
Fisher King: https://en.wikipedia.org/wiki/Fisher_...