Thanks guys. Any guy who commits cosmic genocide is definitely creepy in my book.
One of the Light Elder, the Prophet can not comprehend time in a linear fashion like normal beings. If he focuses on one being, he will see it’s entire lifespan. As such, he lives a life of solitude in the space between dimensions. It seems a reasonable conclusion that the Prophet is not doing this to protect himself, as he has no fear of death, knowing as he does when his own death will come, but he is doing this to protect others from his knowledge.