Chapter 313: Reencountering the Mirror [Demon]

Seeing everyone's morale high, Lu Yuan found himself somewhat inspired.

He looked forward to the day he could return home in glory... Well, the sensation that day would cause was truly unimaginable.

Just then, Comrade Lu Ying from the reconnaissance division raised his hand and indicated, "The direction of our mother civilization is the northeast, and according to our investigation, there lies a vast ocean. Our Sky City can't just stop and rest anytime; this poses a huge challenge to our energy system."

Yes, there was an ocean on that side, and humanity had already mapped it out clearly.

Nowadays, if one wished to return to the mother civilization, one had to cross the ocean.

But given the vast size of the Pangu Continent, the actual size of the ocean was beyond human knowledge.

Hence, energy reserves must be ample; otherwise, running out of energy mid-way would leave us with nowhere to turn for help.

And energy was divided into two types: Physical Energy and Ideal Energy.