Baldur's Gate 2:
1. When I had Mazzy in my party, a guy would appear outside Copper Coronet. He said the same thing over and over again and beat up a lot of guys. He remained there the whole game. It got pretty annoying after a while.
2. Jaheira wouldn't stop talking in a crypt in the Graveyard district. Had to kill her to make it stop. It was worth it

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