There’s a reason why he’s called ‘King James’, Lebron is a beast no doubt about it. Case in point is this video of him casually doing dunk damage following the Heat’s practice in Phoenix on Monday. Once practice ended, Lebron and Michael Beasley had a 20-minute dunk off that had their teammates blown away. Lebron effortlessly bounces the ball of the gym’s walls and pulls off some mean self-alley oops, dude can fly. Check out some highlights below and check out more over at The Stashed.