What would you do if you could control gravity? Would you float everywhere? Hurl boulders at people? Yell all the time about a mysterious melody that haunts your every semi-lucid moment? Overwatch’s newest hero, the unhinged, accidentally evil astrophysicist Sigma, can do all of that and more. He’s fun to play, but he definitely takes some getting used to. When I first started playing Sigma on Overwatch’s PC public test server earlier today, I felt uncomfortable. Despite the fact that his notably naked toesie-wosies hover about a foot off the ground at all times, he moves at a glacial pace, like most tanks. His primary attack—two “Hypersphere” projectiles that look like they were stolen from a Destiny merchandise stand—also travels a bit more slowly and arcs in a more exaggerated fashion than you might initially expect, and it has a fairly limited range. Taken together, these things make him feel a little awkward, perhaps even vulnerable. This makes sense: He’s a barely-coherent old ma...