Raising the Trial Tower's tier was the most convenient way to resolve this problem.
However, after raising the Trial Tower's tier, the World Power consumed by maintaining it each day would be no small amount.
Zhang Zhi's Mental Power Value had indeed increased considerably during this period. If he forcibly raised the tier, he could barely maintain the World Power consumption of a Tier 5 Trial Tower.
However, if he did that, he would be unable to store much World Power for a long time afterward, causing his ability to protect himself when facing crises during that period to drop greatly.
Besides, there was actually not much difference between a Tier 4 Trial Tower and a Tier 5 Trial Tower for him. After all, he rarely claimed cards from the Trial Tower anymore.
Therefore, he lacked sufficient motivation to raise the Trial Tower's tier again.
After looking around the Trading Market, Zhang Zhi ultimately decided to wait a while longer. Once the rate at which his Mental Power Value increased slowed down, he would raise the Trial Tower to Tier 5.
As for the Rune World Region, he would think of another solution when the time came.
After returning to the Main World from the Qi Refinement Small World, Zhang Zhi exchanged cultivation insights regarding the Qi Refiner Path with Liu Wanwan and the others, who had likewise just finished inspecting the Small World.
More accurately, Liu Wanwan and Liu Xiaoxiao were asking Zhang Zhi for guidance on cultivating the Qi Refiner Path.
The two of them were now Patrolling Envoys.
Everyone knew that they had become Patrolling Envoys because of Zhang Zhi. Even if they did nothing at all, nobody would have any objections.
However, Liu Wanwan and Liu Xiaoxiao did not want outsiders to regard them as decorative