The City We Became by N.K. Jemisin
The novel “The City We Became” by N.K. Jemisin was published for the first time in 2020. It’s the first book of the Great Cities series. It won the Locus and BSFA Awards.
Various people discover that they are the avatars of certain boroughs of New York while an artist discovers that he’s the avatar of the entire city from the avatar of Sao Paulo. Some of them are attacked by shapeshifters and strange tendrils but manage to repel those attacks.
Manny, the avatar of Manhattan, is confronted by a mysterious woman but manages to defeat her thanks to the help of the avatar of Brooklyn. Various types of attacks follow, not always direct because in some cases, they exploit corruption and fascist groups.