Douluo Continent: My strongest soul beast was exposed by the Heavenly Curtain?

Li Yannian transmigrated to the Douluo Continent, reincarnating as a Water Bear, a soul beast, and has been immortal since the birth of the Douluo Continent! Relying on his immortality, he once contended with the Dragon God, toyed with the Sea God, and survived the Asura God's attack! The Snow Empress and Ice Empress were his adopted daughters, Di Tian once became his disciple, and Gu Yuena even respectfully addressed him as "Senior"! Invincible, he began a carefree life in the mortal world, founding the Sea God Temple, sharing drinks with the first Spirit Hall Master, and witnessing the rise and fall of mortal empires! Thus, he lived a life of countless incarnations on the Douluo Continent, carefree and without worry, until one day, a celestial curtain quietly appeared, revealing him! Tang San: "Ten legendary soul beasts! Great! They're all candidates for my soul rings. I'll kill them all!" Xiao Wu: "Ten legendary soul beasts! I, Xiao Wu, definitely deserve a place among them!...