PS: Thanks to the book friend Dazi152236589 for the reward of thirty thousand Qidian coins
How much water a bucket can hold depends on its shortest plank, so Su Xin was preparing to thoroughly enhance his spiritual power this time.
Spiritual attacks are equally terrifying, the most important thing is that they are hard to defend against. If Su Xin's spiritual power reaches a certain realm, coupled with the power brought by Changing Heaven Hitting Earth Spirit Great Dharma, it will undoubtedly be even stronger.
With so many things in the Treasure Repository, Su Xin didn't know which one would help him cultivate his spiritual power, so he directly told Tie Zhan about this and had him find it.
Hearing Su Xin's request, Tie Zhan thought for a while and said, "There are things in the treasure vault that can increase spiritual power, but they are very rare.