Existence

"One day, it was a herd of ants, and another day, it was a large dinosaur.\r\nThis was the last reincarnation of a being that had experienced tens of thousands of reincarnations and lives.\r\n\r\nHe was born as a human with the power of every single lifeform he had ever been.\r\n\r\nWhy did he have such an ability?\r\nLee Jain finally came to understand.\r\n\r\n\"I exist to eradicate mankind.\""