Books like conclave

Conclave of Shadows is a series of fantasy novels by Raymond E. Feist, part of The Riftwar Cycle. The series picks up events following The Serpentwar Saga, and deals with the secret titular organization formed by the great magician Pug, and its initial struggle against evil necromancer Leso Varen while in the employ of Kaspar, Duke of Olasko.

Story of a boy, Talon of the Silver Hawk, from the mountains who has had his entire tribal race killed at the order of a Duke. Vowing revenge against the murderers of his family, he joins a secret organization known as the Conclave of Shadows, whose ultimate goal is said to oppose the evil in the world. Talon takes on a secret identity as Talwin Hawkins and the persona of a noble to gain enough fame and power to fulfill his vengeance upon his enemies. The story ends as he comes into the service of the Duke he reviles.