All along, the impression everyone had of Cao Xi was calm, composed, and wise, never panicking even in life-threatening situations. But seeing him so afraid of a skeleton shocked everyone, making them realize something major had happened. They were stunned, holding their breath, afraid to speak loudly, lest they disturb Cao Xi's inspection, secretly worried, and vigilantly watching their surroundings.
Known enemies are not scary, but such unknown ones can cause tremendous psychological pressure. The deceased wasn't killed by a human, nor by a beast, so who could it be? Everyone gazed at the grass and trees around them, their alert eyes filled with a heavy seriousness. Soldiers don't fear death, but they want to know whose hand it comes from, don't they? This unknown danger and enemy are heart-wrenching.
