"We have to leave here immediately!"
Zong Shen turned all the clues over in his mind.
This cave suddenly became highly suspicious.
Since they could find no new clues, and there was also that demonic aura seemingly meant to lure them here, the safest option was to leave as soon as possible!
At Zong Shen's command, they immediately quickened their pace.
Several thousand points of [Agility] produced a peculiar effect.
His minimum personal movement speed was about the same as an ordinary person walking, but his maximum could reach the level of a flesh-and-blood high-speed train. Running across the ground, he could reach three hundred kilometers per hour!
Ground speed clearly had diminishing returns.
The higher it rose, the harder it became to improve.
Moreover, running on two legs imposed limits on top speed.
But for everyday travel or combat repositioning, such speed was more than sufficient.
Especially when paired with the nearly inexhaustible stamina effect of the [Quantum Furnace Core].
It could even allow Zong Shen to keep running forever.
Assuming he was truly in the mood for it.
Thus, the three humanoid high-speed trains swiftly returned to the dry, tidy stone hall at the cave entrance, far faster than they had arrived.
Felornas the Sinner had wings, so he was slightly faster.
But when he reached out and touched the black barrier at the cave's outer layer, he did not pass through it as before. Instead, it was as though he had struck some incredibly elastic yet tough membrane.
He managed to press a depression into it, only to be bounced back by its recoil.
"We can't get out."
He reached an obvious conclusion.
Zong Shen and Lilia immediately came to a stop as well.
Upon hearing Felornas's words, Lilia remained expressionless, while Zong Shen frowned.
"We've fallen