Xiao Jin closed his eyes and sensed the energy contained within the Void Space before him, then nodded involuntarily.
No matter what, Cang Yuan's methods truly deserved praise.
At the very least, Xiao Jin did not possess such strength yet.
The sealed passage before him had been designed with remarkable ingenuity. Breaking it from the outside would undoubtedly be extremely difficult.
Forget supreme combatants like Dou Emperors—even Heavenly Sovereigns might not necessarily notice the existence of this sealed passage.
If they could not even discover it, how could they possibly break the seal?
Yet from within, this seal could be removed with ease.
In other words, if a Dou Emperor could be born on the Dou Qi Continent and strike at this passage, the sealed passage would easily be opened.
At that point, an endless stream of Origin Emperor Qi would pour into the Dou Qi Continent, further accelerating the breaking of the sealed passage.
If four or five Dou Emperors appeared on the Dou Qi Continent, this seal could be broken in fifty years at most.
Logically speaking, those fifty years were actually the preparation time Cang Yuan had left for newly ascended Dou Emperors.
The Great Thousand World differed from the Dou Qi Continent. The energy used there was called spiritual energy.
Although Dou Emperors possessed combat power on the level of supreme beings, before converting their Dou Qi into spiritual energy, they were not much stronger than ordinary people.
Unfortunately, Cang Yuan had overlooked one thing: after the changes wrought by countless years, the inheritances of the Dou Qi Continent had long since been almost completely severed.
Tou She Ancient God had only a wisp of remnant soul left, so he could not tell later inheritors about these matters either.
If Xiao Jin had not been a