Lin Yun continued to read through the book under the Azure Firmament Tree sapling with excitement on his face. 

“The Azure Firmament Sword Sutra has a total of ten stages. The first three stages are its foundation. After reaching the third stage, one will be able to summon the Azure Firmament Tree. With this phenomenon, wind will be summoned. After reaching the sixth stage, the tree will be able to summon lightning. After reaching the ninth stage, one will be able to condense the thunderstorm sword aura in the body. Upon reaching the tenth and final level, the Azure Firmament Sword Sutra will reach the pinnacle of strength. The Azure Firmament Tree’s leaves will form a pond and tree that envelop the entire sky…”

Looking at the colossal tree before him, Lin Yun fell into deep thoughts. I can summon a tree like this after reaching the tenth stage? Although the sword sutra had ten stages, they were divided into four realms. These respective...