Starcraft II Protoss and Zerg battle under a large moon HD Wallpaper

A large-scale battle between the Protoss and Zerg is depicted on a desolate alien planet. Protoss units, including large robotic walkers, fire energy beams at the Zerg forces. The Zerg, a swarm of insectoid creatures, attack from the ground and air. A massive, dark celestial body looms in the background.