In the Rift Era, I Started to Become Stronger from a Small Recycling Bin

[Apocalypse + decisive killing throughout + high martial arts + survival + energy absorption to improve cultivation] 200 years after the apocalypse, mankind has only one Hope City and five auxiliary cities left in the Dragon Kingdom. Alien beasts are rampant outside the city and the city is in dire straits. Lin Yue comes to the slums at the bottom of Hope City... The start is a bit weak and you need to break through from the bottom to the upper level to upgrade Shuangwen.