"Jin Yuseong, the absolute master of the Middle Kingdom, found life too boring. 'I must be crazy. Just unifying the martial world…'""'I should have just been a farmer.'""'No, I wish I wasn't born at all.'""In 'The Heavenly Demon Lord Who Doesn't Want to Level Up,' one day, he encounters a gate… And upon passing through it, a new world unfolds.""Jin Yuseong, the top martial deity and leader of the Celestial Demon Cult, arrives in Korea.