Zhang Yu dealt with those great spirits, then lifted the teacup from the desk and took a sip. Through a simple aura-observation technique, he could clearly see that after gathering in four great spirits, the spiritual essence within heaven and earth had weakened to a certain degree.
This showed that great spirits played a role in augmenting spiritual essence in this world. But if merely capturing great spirits could completely restrain the waxing and waning of spiritual essence in this world, Daoist Li and the others would have done so long ago.
As long as the source that gave birth to spiritual power remained, it was useless no matter how many great spirits were gathered or destroyed.
Therefore, Daoist Li and the others had chosen to seize hold of the source of spiritual essence, slow its contamination of the entire realm, and wait for Celestial Xia to send people over. This had been an extremely correct response.
Yet their opponent was, after all, a reflection of Upper Layer power. Though only a trace had leaked out, it had spread throughout the entire realm. Limited by their strength, while Daoist Li and the others blocked and delayed the spread of spiritual essence, they had no energy left for anything else.
For instance, in the time it took them to capture a great spirit, the leaked spiritual essence was enough to transform into another new great spirit.
But things were different after he entered this world. The five of them could block the source above, while he could sort through and eradicate the great spirits within the realm. This could alleviate the erosion of spiritual essence to a certain extent, perhaps even maintain the balance.
Now that those people from the Municipal Office were willing to take the initiative and draw more