New 'Overwatch' Patch Adds A Mercy Nerf, Lucio Buff, And More Voice Lines For Cthulhu Zenyatta Blizzard has rolled out a new 'Overwatch' patch that includes a Mercy nerf and a Lucio buff. The change that is gaining the most reactions, however, are the new voice lines for Cultist Zenyatta. by Aaron Mamiit