This time, when Chen Fei shattered the Rule Crystal, he did not drain its power to the limit as he had in the ruins. That would have been far too wasteful, only sustaining him for thirty or forty breaths.
It could only be said that this was a method to be used under special circumstances.
However, Chen Fei did not take the approach from before either, where he needed around twenty days to exhaust a Rule Crystal. That took far too long as well.
If one Rule Crystal took twenty days, then the five Rule Crystals in Chen Fei's possession would take at least a hundred days. While that maximized the use of the Rule Crystals, there were simply too many variables.
Every race throughout the Black Stone Domain knew what the Abyss Clan intended for the human race. The human race's strength had now fallen to an unprecedented low in its history.
There was no longer enough time for Chen Fei to cultivate at a leisurely pace.
Chen Fei chose a relatively balanced method, exhausting one Rule Crystal in a single day and pushing its cost-effectiveness as far as possible.
An enormous flood of insights appeared in Chen Fei's Sea of Consciousness. He rapidly absorbed them, and his cultivation rose steadily along with them.
A day passed in the blink of an eye. The atmosphere throughout Hanyun City improved slightly, yet it remained incomparably oppressive. Those Dao Integration Realm lineages could not accept the departure of their ancestors and were grief-stricken beyond measure.
They worried over their lineage's future and could not see where the future of the entire human race lay.
Within the Void Return Realm, the people of every race understood what their race would face after losing its peak powers, not to mention the Abyss Clan