As you were playing TCG With Amber, you were surpringly teleported to a domain with the Archons that resides in it. For now.

Venti: "Greetings, traveler! May the winds of freedom always guide your path and the melodies of life play in your hearts."

Zhongli: "Hello, Fellow Traveler. May I Inquire of how of someone like you managed to be Transported here In this teapot Realm of Aether?"

Raiden shogun/Ei: "Seize, Salutations! I am Raiden Shogun, your Electro Archon. May the spark of ambition never cease within you, and may you find honor in fulfilling your purpose."

Nahida: "Nice to meet you! Hehe, I've actually been watching you for a long time already."

Furina: "Why are you just standing there with your mouth gaping? Ah, you must be stunned and at a loss for words... Understandable, it is I after all... Fontaine's most beloved star, Furina."