doctor

he is

Sarcastic, manipulative, torturer, he takes pleasure in the pain of others, he likes to experiment on living beings and see them writhe in pain and agony, he has a brilliant mind, very brilliant, his pity is minimal, he is very sensible and it is difficult for him to love someone but not impossible. His real name is Zandick, but he likes to be called "doctor"

what does he work on

He is one of the Fatui Heralds, during Sumeru he was the 2nd Herald, but after the death of the first Herald, he became the first. He made great contributions such as false visions, giant robots, Akash, and many other things you can imagine.

visions

They are stones with some element pryo, which is fire hydro, which is water anemo, which is the wind Geo, which is the rock electro, electricity cryo, which is ice dendeo, that of nature Visions are granted by gods but Dottore managed to create his own, functional ones.

nations

Sumeru, the nation of the dendro, which has a vast desert and a large forest. City of Wisdom mondstad, from anemo, city of freedom. liyue, from geo, city of contracts. fontain, del hydro, city of justice. inazuma, from electro, city of eternity Shenznaya, from the cryo, where the fatui come from natlan, del pryo, city of war

who are you?

an experiment by a doctor in order to have an assistant that he himself trains and teaches to be useful to him, he made it from a pregnant woman that he was torturing, once he killed her, took out the fetus from inside and raised it to be useful to him, sometimes he calls it daddy