Complex sentence: He and Nightwolf are overpowered by Sheeva before Kenshi intervenes, but after Quan Chi attacks Kenshi, Ermac hurls Quan Chi off the pyramid and then stomps on Kenshi before revealing himself as Shang Tsung in disguise.
Split into simpler sentences: He and Nightwolf are overpowered by Sheeva before Kenshi intervenes. After Quan Chi attacks Kenshi, Ermac hurls Quan Chi off the pyramid and then stomps on Kenshi before revealing himself as Shang Tsung in disguise.