Apocalypse: Obtain Observation Skills Three Days After the Start

This is a story about ordinary people facing the end of the world. Meteorites fall from the sky, and the apocalypse comes to Blue Star. When you are in the apocalypse, of course you must have the ability to protect yourself. The poor rely on mutation, the rich rely on technology, Lin Qin acquires skills, observation, Observing the enemy is useless, right? Haha, it seems too young, Initial mocking observations, Intermediate understanding of observation, It will be useful for observation later.