Disaster to the World

"Ding! Kill the 'disaster'-dragon, acquire skills, and control the wind and rain." After Luo Qu traveled through time, he discovered that the abilities of the monsters he had defeated, such as the "disasters", could be used by him. He thought he was about to start a legendary life! But then it happened that these monsters were all mutated humans in the past, and the humans now are the monsters that killed people in the past! Luo Qu is in a dilemma. He is both the future of the new humanity and the last hope of the old humanity. What should he do?