Zosimos

Zosimos is a non-player character in Genshin Impact, first appearing in the version 3.8 limited-time event, "Secret Summer Paradise". He is a playwright who works at a place called "Thinker's Theater," providing opportunities for players to participate. In the story, Zosimos is mainly responsible for directing the performance of plays, with his scripts adapted from the past experiences of the character Idyia. He seems to have some knowledge of alchemy, and his name may be derived from a historical alchemist. Zosimos is voiced by Niko Gerentes.