I Have a Refuge in the Last Days

The end is coming, zombies, scorching sun, cold winter... In despair, Lin Mu obtained the shelter upgrade system. "Consume upgrade points to obtain technology: artificial intelligence!" "Consume upgrade points and obtain technology: Mark Armor!" … Before you know it, the forest has become invincible. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.