The End of the World: You Can Become Stronger by Picking up Trash

[Doomsday imagination, cool sandbox development stories, non-traditional survival stories, no heroine] 160 AD, Western Resettlement Camp. The Western Resettlement Camp, regarded as the capital of superpowers, was now shrouded in clouds. Countless humanoid mechas were suspended in mid-air and surrounded the entire settlement camp. As the leader of the resettlement camp, Sisir couldn't help but roared and asked. "Who can tell me why we, who are regarded as the capital of superpowers, have fewer superpowers than those guys in the East Third District?" "Can anyone tell me why we can't use powers?" Thistle's roar was quickly answered. "Lord Sisir, according to reliable information, the leader of the East Third District and his men can become stronger by picking up garbage..." Cecil: "????"