Xiuxian: I Awakened the Spiritual Root Upgrade System

Compare your talent with me? My spiritual roots are infinitely upgraded! Ye Chen traveled to the world of cultivating immortals, but found that his spiritual roots were incomplete and he was unable to practice, so he could only be a handyman disciple. But he awakened the spiritual root upgrade system. "Ding! Just collect another 100,000 low-grade spiritual stones to upgrade to the top-grade five spiritual roots." "Ding! There are still 100 billion spiritual stones and a fairy energy left to upgrade to the legendary fairy root!"