Baldur's Gate II: Throne of Bhaal is a 2001 expansion pack for the role-playing video game Baldur's Gate II: Shadows of Amn. It adds a multi-level dungeon called Watcher's Keep to the game and completes the main plot. There are several new weapons, a higher level cap, a further refined Infinity graphics engine, and new class-related features and magical skills. The novelization of the game was written by Drew Karpyshyn and released in September 2001.

Drew Karpyshyn is a Canadian video game scenario writer, scriptwriter and novelist. He served as a senior writer for BioWare's Star Wars: Knights of the Old Republic and lead writer for the first two Mass Effect video games. He left BioWare in 2012 to focus on his Chaos Born novels, and returned to it three years later in 2015. On March 9, 2018, he announced he was leaving BioWare once again to pursue his independent work.