Secondly, the space they were dealing with was far easier and far more accessible than the Shattered Moon World! If Di Tou was dealing with the same issues and route production of Spatial Devices on normal spaces as typical experts, relying on his cultivation alone, even if he used a neutered or weaker version of the techniques available to other experts, he might be able to achieve the same results.
But alas, the worlds and spaces they were dealign with weren't as difficult and complicated, and even if they were and they had their own unique difficulties, they would have plenty of reference materials and perhaps even examples of how experts in the past had approached the problem… perhaps experts in their own sect who used the same methods and had the same exact problem!
