The Strongest Protagonist System in All Worlds

Travel through all the worlds, get the strongest protagonist system in all the worlds, and then embark on the road to the strongest protagonist! Little Dragon Girl, Wang Yuyan, Shifei Xuan, Jiutian Xuannv, the ruthless emperor... They are all mine! The Nine Yin Manual, the Eighteen Palms of Subduing the Dragon, the Secret of Immortality, the Heaven-Swallowing Demon Technique... They are all mine too! Dominate the four seas, sweep across the eight wastelands, all the heavens and worlds, I am the only one who is supreme! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.