For the mechanism skill, blue alum thought it was very difficult, but only after deep research, we found that some of them could be combined with physics, some of them could be combined with mathematics, some of them could be combined with array, and then some of them could be used by immortal Demon power. Blue alum is almost twice the result with half the effort in research, and others need a lifetime to understand it. He is only one He has been able to grasp a general idea in a month. Of course, it is also related to his five senses and the information of Luban's soul imprint.

during...