Geralt will meet with the leader of the bandits Olgerd von Everek. He has a unique feature -the immortality. Among the unusual meetings, on gamers also waiting the whole night with a ghost, when the gamer will be trying to get to the treasure. But to penetrate there, Geralt will need to assemble a team.
Traditionally, players will be able to choose their own way of passage of the new 10-hour story. Every decision anyway will affect the outcome of events. In addition to dangerous meetings with strange creatures, players also are waiting for pleasant moments – in the expansion will be available a new love affair with Shani, a student of the Faculty of Medicine of the Oksenfurt University. In Oksenfurt players also will meet with the mysterious Glassman.
In the expansion also will be a new system of rune words, which, according to developers, "substantially" change the mechanics gameplay. Each rune word allows you to add to your weapons and equipment a variety of properties, which will effect on the strategy and tactics of the game.
The release date of DLC "Hearts of Stone" is scheduled on October 13, 2015.