Why people don’t like playing or against playing a Warlock, why Warlock is not so popular, according to the most of players, there may be some reasons. Most people like to play death knight as their main class, they have been playing death knight since it was released as death knight is a fun class to play, and it requires quite a bit of skill to master. According to the date, there are only 2% wow players like to play a Warlock as warlocks have always been one of the least played class.