Obi-Wan took hold of his shoulder and pushed him low to the smooth rock surface. Thus distracted, he could not raise the lightsaber in time to provide even a partial deflection for the next laser salvo. The blast knocked him several meters and tumbled him over and over. Flecks of broken and molten rock flew through the air, burning his clothes, drilling into his skin. Instinctively, he held up one arm to shield his face and the other to protect Anakin.