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.,Specialization: Highly Focused - Increases learning and crafting speed by 10%.,Second, I crossed over as an NPC, but I unexpectedly have a player's system panel. This is undoubtedly good news, as I can level up just like players.。