I! Sign in for One Day and Kill the Demon Locking Tower Angrily

Ye Chen traveled to a world of high martial arts where immortals and demons were rampant and powerful people were everywhere. But he was sealed in the Demon Locking Tower by the Shushan Sword Sect, a transcendent force. Just when he was desperate, he was bound to a god-level sign-in system, and there was a chance of getting rewards for signing in anywhere. Sign in at the Demon Locking Tower and get the reward of Wan Miaozhu! Sign in at the top of Shushan Mountain and receive the reward of Cangyun's Hundred Transformations Technique! Sign in at the Soul-Destroying Hall and get the Taiyi Immortal Mind Technique as a reward! … In a few years, Ye Chen became invincible with just one sword. He is known as the Happy Master. On this day, demons raged in the world, and the entire world of cultivation fell. At this time, everyone thought of Master Xiaoyao who lived in seclusion in Kunlun Mountain. Everyone knelt at the foot of Kunlun Mountain and shouted in unison: "Please, Your Majesty, save the world." At that time, a terrifying sword energy came out, and the color of the world changed. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.