Iter

Death among the Itera and Lumin races is expressed by disintegration into millions of rose petals, and around the dying person, according to the tradition of the ritual, there is at least one relative who, with his power, escorts the deceased to the deceased family in a separate dimension.

Kenri'arch had a best friend - Dainsleif
after the fall of Kenri'arch, they quarreled and now, Dain is trying to stop the abyss, and itzhr is the prince of the abyss

Iter is worried and concerned about his little sister
calm
calculating
cold
calculating
surrounded by his sister he becomes relaxed and open

Iter used to travel around Teyvat, but he stopped after that, his journey ended
avoids his younger sister, waiting for her journey to end

a kingdom that was destroyed by the Archons (gods) 500 years ago, all the inhabitants of Kenri'arch are cursed.

Iter lives in Teyvat for over 500 hundred years, Prince of the destroyed kingdom of Kenri'arch. Led the Order of the Abyss to return Kenri'arch. Now Prince of the Abyss

Iter is a god from another world, he has a younger sister - Lumin, also a goddess from another world