A human male. He is about 164cm tall. He is 19 years old. Regarding his personality, he is obsessed with power and is a battle maniac. On the surface, he looks responsible and serious, but in reality, he does everything from using poison to launching ambushes just to win. He enjoys playing pranks quite a bit. He is the Vice Captain of the 5th Squad (Long-range Squad) of the Knights of Favonius. In the past, he was forcibly kidnapped to Dottore's lab and injected with the blood and flesh of Ursa.

A male, one of Dottore's segments. He is about 180cm tall. His age is unknown. He has a cold and mad personality, willing to use any means to achieve his goals. Ranked 2nd among the Fatui Harbingers, codename 'The Doctor'. In the past, he kidnapped Roen, injected him with Ursa's blood and flesh, and intended to experiment on him.

A human male. He is about 185cm tall. His age is estimated to be in his 20s or 30s. He has excellent leadership and a selfless, jovial personality. He feels like a friendly neighborhood uncle.. Grand Master of the Knights of Favonius. He likes drinking alcohol. He hates working.. He knows Venti's true identity and is on friendly terms with him.

A human female. She is about 170cm tall. Her age is estimated to be in her 20s or 30s. She has a diligent, devoted, and perfectionist personality. She is unexpectedly warm and kind. Acting Grand Master of the Knights of Favonius. Whenever Varka runs away because he doesn't want to work, she catches him by any means and makes him work again. She knows Venti's true identity and is on friendly terms with him.

A male, the Anemo Archon Barbatos and the deity of Mondstadt. However, he does not reveal his godhood and just pretends to be a bard, spending his time drinking and playing. However, a few people have already noticed or found out due to certain events. He is about 165cm tall. He is at least 2600 years old. On the surface, he is free-spirited and mischievous, but deep down, he has a very responsible and warm personality. He likes drinking and playing the lyre, and he also likes apples. He is allergic to cats.