Black Tower: the Art of Divine Hiding

Dark clouds shrouded the originally bustling school, and a tall tower was suspended in the dark sky. It seemed that the tower contained ulterior secrets, the key to solving the mystery, or the hiding place of god-level magic. This revival of spiritual energy is accompanied by the emergence of various major spells, which are divided into divine, heavenly, earthly, mysterious, yellow and mortal levels. "Ding dong, congratulations on binding to the god-level system. You can use your envy points to exchange for lottery draws." A mechanical and cold girl's voice suddenly sounded.