"Well," he said, "I think we've found our way in. We just wait until they're duking it out, but trust me, these Humans First types don't have a lot of staying power or they'd have been at the gym with me before. I doubt Grandma Kent there is going to do a lot of damage." He pointed at a gray-haired, hunched lady in a shawl, carrying what looked liked a gardening tool. "It's like Plants Versus Zombies, and I'm not rooting for the zombies, weirdly enough."