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Baal-Zebuth is an mythical being mentioned in A Shard of Ice. A would-be assailant utters the name as an oath when he realizes he has chosen a witcher as his target, then runs away.

In the non-canon short story Kres cudów, Baal-Zebuth (or Baal-Zethub) is described as a dark deity worshipped in the East, an eternal enemy to Raróg. His symbol is double star.