Sigma, Overwatch’s newest hero, has descended onto the PC public test server, and already, he’s making a craterous impact. The gravity-manipulating tank has an ult of otherworldly power, but ultimately, it hinges on a simple principle: What goes up must come down. Players are using it to pull off some absolutely devious plays. When people first saw Sigma’s ult in action, many a tooth was revealed in a sudden spread of malicious grins. The ult lifts both Sigma and a selection of foes into the air, and then those foes get slammed into the ground and lose 50 percent of their maximum HP. Longtime players realized that Sigma could be a perfect solution to overtime stalemates where one team just can’t quite peel the other off the point. Here’s that idea in action, as demonstrated by Holajz. Your browser does not support HTML5 video tag.Click here to view original GIF One moment, the team is hunkered down. The next, they’re hunkered significantly less down. During this time, the overtime time...