The correct answer is he pretended to be dead.
Oric Mevludin escaped execution by pretending to be dead.
He was lying among the corpses pretending to be dead. The soldiers were checking that everybody were dead. If not, the soldiers would shoot them in the head. When he was pretending to be dead Oric Mevludin heard a heavy machinery and he thought to himself that the soldiers were about to dig a mass crave when he felt how a soldier kicked his foot with his boot and the soldier shot the person next to Oric. Then, Mevludin fainted and woke up until the evening.