Those several white coats were shouting, Han Xiao hadn't heard their language before, but he could understand the meaning. "Experiment", "survival time", "guard" these words made him feel uneasy. Footsteps sounded urgently outside the door, someone was quickly approaching.,A guard swung an electrified baton and smashed it down. Han Xiao instinctively raised his hand to block, the electric shock sending a jolt through him, making his muscles twitch violently. His bones felt like they were about to shatter, half of his body went numb.,Han Xiao frowned, discovering several key factors.。