This article contains plot details from the latest book.
Urre is one of Linh's bodyguards. He is a dwarf. Urre was first mentioned in Book 8.5: Unlocked in Linh's registry file, in the category called Bodyguards. There, it was mentioned that Linh Hai Song has two bodyguards, one of which is Urre. Urre remains primarily underground and he has not shared anything about himself to Linh.
Urre means "Gold" in Arabic.