【Incredibly爽 and Unrivaled】 Transmigrated as the sixth prince of the Great Zhou Dynasty, he was imprisoned in the cold palace for secretly colluding with a female demon. He activated the check-in amplification system and obtained the Nine Turns Profound Art at the start. Checking in at the Demon Suppressing Tower, he obtained Great Might Heavenly Dragon, amplified into the Buddha Palm! Checking in at the Spirit Transformation Pool, he obtained the Primordial Sacred Body, amplified into the Chaos Sacred Body! Checking in at the Myriad Swords Tomb, he obtained the Heavenly Profound Sword Technique, amplified into the Holy Spirit Swordsmanship! Su Yu originally thought he would silently check in until he became unrivaled in the world. One day, a demon army invaded the territory of Zhou, causing widespread suffering. The crown prince died, the Zhou emperor fled, and the dynasty was on the verge of collapse! The terrifying demon king slaughtered his way into the imperial palace, until he met Su Yu, who was grilling skewers...