Time Travel: I Was an Eagle Eye in the Middle Ages

The system prompts: [Congratulations to the host for activating the 'Eagle Eye' ability. We have marked the weak points of all monsters within a hundred miles for you - including but not limited to buttocks, soles of feet, armpits and other embarrassing parts. Li Shiwu looked at the giant demonic spider in front of him with its teeth and claws spread out, and fell into deep thought: "So... I want to stab it now?" The demon spider roared angrily: "Human, why do you always stare at me?!" ——"Because of your weakness, it's really a bit indecent."