The most crucial point was that one needed to be 100% correct in the process. One wasn't allowed any room for mistakes, even if the mistakes were invisible to the naked eye.
As long as any mistakes were made, all previous efforts would be wasted.
On top of that, the complexity of the world-class Spirit Gathering Array wasn't something that could be imagined.
If one imagined it to be a level of complexity, the true complexity would be dozens of folds more complicated than one's imagination!
As time passed, Lin Ming could no longer hold on.
The high-intensity drawing made it difficult for Lin Ming to breathe.
Lin Ming's beads of sweat evaporated from his face.
Because if any beads of sweat landed on the drawing, it would cause the world-class Spirit Gathering Array to directly collapse.
There were too many things that one had to pay attention to when carving a world-class Spirit Gathering Array!