Chapter 222: Chapter 158: Mecha (6000 words, 2-in-1)_2

Ye Chen glanced at him and then nodded, saying, "When this method was proposed, it indeed dazzled the world. However, it was not complete in its early form and still faced numerous technical difficulties, which took a thousand years to barely overcome."

After speaking, he looked at the crowd: "Among these technical difficulties, three stood out as the most challenging. Do you know which three they are?"

"This..."

"I know!"

The crowd hesitated again, allowing Chu Nan to speak up and show off: "Structure, energy, and Divine Consciousness!"

Seeing Chu Nan's excessive enthusiasm, Ye Chen was amused and decided to engage with him, nodding and saying, "Correct. It is indeed structure, energy, and Divine Consciousness!"

"There's no need to dwell on the issue of structure. Combining ten million Magic Artifacts for movement and attack, the complexity speaks for itself."