Tang Zhe'an's plan could only be carried out when Lu Yuanming was close to returning.
Moreover, without the seventy-two-hour time limit for return elapsed, Lu Yuanming, despite how anxious he might have felt in his heart, was unable to return to the Material Universe.
However, these seventy-two hours were not for him to just sit idly by; Tang Zhe'an's plan required him to do many things.
"First, we must verify whether the unknown particles you mentioned can be transformed into that kind of residual field, which is a subspace that can stably exist within the Material Universe."
