One day, it was a herd of ants, and another day, it was a large dinosaur. This was the last reincarnation of a being that had experienced tens of thousands of reincarnations and lives. He was born as a human with the power of every single lifeform he had ever been. Why did he have such an ability? Lee Jain finally came to understand. “I exist to eradicate mankind.” --- **Links:** - [Original Webtoon (Kakao Webtoon)](https://webtoon.kakao.com/content/%EC%A1%B4%EC%9E%AC/2957)