Though it seemed that it was extremely easy for Immortals to tear a hole through the void and the barrier separating the lower realms from the Immortal Domain, it was indeed not the case. In fact, it was dreadful hard to accomplish. Not any Immortal could pull off such an act, the void of the Immortal Domain was so stable that one could hardly find anyone that could break through it.
The only reason why Okino Nuku could pull off such an act was that he had a certain understanding of the space laws and also because he was a man who had lived for twenty-five thousand years. To master 30% of the space laws, it took him 10,000 years' worth of time.
From this alone, one could see how dreadful the space law was and this was mostly why many chose not to try and comprehend this concept. Though w
