A hunter with unlimited power.

For 150 years, mysterious dungeons have been appearing randomly in the world. Within them monsters threaten humanity, only a handful of humans have the strength to stop them: the hunters. So Seung-Ho is also a hunter, but one of the weakest; so much so that his strength is almost equivalent to a non-hunter. A non-human existence was interested in Seung. But what was so interesting about him? The power to become invincible. What are the origins of magical powers? Where do demons come from? Seung will have the answers as he ascends. He will discover the very mysteries of this world.