Cosmoflot agent. Dungeon of witches

Andrei Bruce, an agent of the Cosmoflot of the Earth, fulfills a mission on a Pa-U planet remote from the cradle of mankind, who has only recently joined the Galactic Center and is considered backward in its development. Society on the planet is divided into clans, the main concern of each clan is the struggle for power, and it does not matter how much this power has been achieved. Agent Bruce involuntarily finds himself in the center of this struggle, deadly for him and his comrades.
In the "Dungeon of Witches" Andrei Bruce, consisting of a group of researchers arrives on the planet Evur, the planet-UNICUM, the Planet Nage, where the periods of evolution are confused, modern species of mammals are adjacent to dinosaurs and pterodactyls, and the species of homo sapiens gets along with pithecantrops and primitive people. The tragedy happened suddenly: the wild savage attacks on the base of earthlings and only two survive - Bruce and his comrade