The Dungeons & Dragons franchise continues to expand into video games with Warlock, the upcoming open world action-RPG from Invoke Studios. Following its gameplay reveal during Gamescom Opening Night Live, GameSpot had the chance to preview a hands-off demo of Warlock, which showcased plenty of dark-fantasy elements in a world filled with player choice. Warlock is a third-person single-player adventure set in one of Ravenloft’s Domains of Dread, Darkon–a realm known for its gothic cities and vast wilderness, the latter…