The End of the World: I Picked up a Scale Arm

[The end of the world + zombie evolution + brutal killing + violent aesthetics + establishing a pure land] Shen Linfeng, a cripple who had his entire right arm chopped off when he was a child, once again experienced being fired by his new boss that night. A heavy rain suddenly poured down after he went out! Shen Linfeng was returning home in the heavy rain. Unexpectedly, he picked up a strange arm on the road. An arm that was completely black and covered with hard scales! He wanted to study his arm, but suddenly he relapsed and passed out! When he woke up, he realized that the world had changed after the heavy rain that night! Zombies broke out, and the living people were eaten until their bones were left! But an accidental discovery made Shen Linfeng discover that he could obtain a special energy by killing zombies, which could strengthen his physical fitness! Reaction, speed, strength, all aspects are strengthened! I thought I could survive in this world through such strengthening, but who knew that a sudden rainstorm changed those zombies again...