Sign in to the Demon Locking Tower for 300 Years. If You Don't Become the Demon King, You Won't Be Able to Leave.

Mu Chen travels through a fantasy world, where there are many monsters and masters. Mu Chen, who thought he could shine, found out that he was just a tribute puppet demon on the second floor of the Demon Locking Tower. With low strength, there is the danger of refining the power of Shushan at any time, and there is the big demon below that can exploit and devour him at any time. In despair, the sign-in system suddenly awakens, and you can get a lot of rewards just by signing in at different places. Sign in on the first floor of the Demon Locking Tower and obtain the Demon King's original blood essence x 1 Sign in at the top of the Demon Locking Tower and obtain the Heart of the Demon God Sign in at Shushan and get the demon clan's artifact, the ninth-grade demon sword. Mu Chen originally planned to practice silently, but before he knew it, Mu Chen had broken through the limits of the world, tearing the Demon Refining Tower apart with just a single move, and the whole world fell into fear. The Shushan leader and elders collectively knelt down and begged Muchen to leave the Demon Locking Tower. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.