GENSHIN IMPACT: 20 HIDDEN Details You Didn't Know About the 2.1 Trailer (POSSIBLE SPOILER THEORY)

SPOILER WARNING!!!
Man the trailer is an absolute minefield of hidden secrets, I've made into 20 details with the spiciest details up near the end. the theories in my head, really make me regret thinking about the story progression through the trailer alone. i ended up spoiling myself to the story quest of 2.1 patch and i don't know how to feel about it.