<Tr> <Th> Genre (s) </Th> <Td> Action role - playing </Td> </Tr> <Tr> <Th> Mode (s) </Th> <Td> Single - player </Td> </Tr> <P> The Witcher 3: Wild Hunt--Hearts of Stone is the first expansion pack for the 2015 video game The Witcher 3: Wild Hunt . Developed by CD Projekt RED, Hearts of Stone was released for Microsoft Windows, PlayStation 4, and Xbox One on 13 October 2015 . The expansion follows Geralt of Rivia coming in contact with a mysterious man known as Gaunter O'Dimm, and his connections to Olgierd von Everec, a cursed nobleman . </P> <P> Geralt takes up a contract sent out by a noble named Olgierd von Everec, who tasks him with eliminating a giant toad monster in the sewers of Oxenfurt . While hunting the monster, Geralt runs into Shani, a medic and an old acquaintance of his, whom he has the option of romancing . Geralt then kills the toad monster, only to find it was actually a cursed Ofieri prince . The prince's guards capture Geralt with the intention of executing him . While awaiting his execution en route to Ofier, Geralt is approached by the mysterious Gaunter O'Dimm . O'Dimm helps Geralt escape, but in return Geralt must help O'Dimm recover a debt from von Everec, who had set up Geralt knowing the toad monster was an Ofieri prince . O'Dimm tells Geralt that according to terms of his contract with von Everec, he must fulfill three of von Everec's wishes . Geralt confronts von Everec and discovers that von Everec had obtained immortality at the cost of his emotions, giving him a "Heart of Stone ." He admits to cursing the Ofieri prince since he was arranged to marry his true love, Iris, and that he wished for immortality in order to be with her . He then tells Geralt his three wishes: to entertain his brother Vlodimir for one night, to get revenge on the Borsodi family by obtaining Maximilian Borsodi's house, and to obtain the violet rose he had given to Iris . O'Dimm tells Geralt that the three tasks are meant to be impossible, as Maximilian Borsodi's house is kept in a highly secure vault and both Vlodimir and Iris have been dead for years, but in spite of that, he agrees to assist Geralt . </P>

What is the hearts of stone expansion pack