Starting from SSS Level Talent, God Level Extraction

This is the apocalypse. Humanity is on the verge of extinction, all resources are exhausted, and the entire world is in ruins. At this moment, huge mysterious black towers appeared all over the world. Inside the tower, there are tons of resources. The more levels a tower has, the more resources it contains. However, correspondingly, there are more powerful forces protecting them. The only way a man can get what he wants is to become stronger and defeat them. So, at the behest of the global federal government, grown-up teenagers must go to the Tower to awaken their talents. Liu Yan, who moved here, awakened his SSS-level talent: "God-level extraction. Extract impurities and increase the power level of your equipment. Extract ** and get resources to upgrade. Until one day, he realizes that he can extract the attributes and talents of other people... This marks the beginning of Liu Yan's endless harvest journey. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.