Curse-Breakers are employed by Gringotts Bank to disable curses in ancient tombs and other sites in order to bring the treasure to Gringotts. Since being a curse-breaker is a very dangerous occupation, only the most intelligent, detail-oriented expert in all curses, jinxes and hexes can become a curse-breaker. Of course, an O.W.L. in arthmancy is also a strict requirement. The most well-known curse-breaker is Bill Weasley, Ron Weasley’s brother.