Starting with Check-In Sacred Body of the Ancients

[No weak protagonist, No simp, Prodigies battle for supremacy, Explosively satisfying invincible (Overpowered) protagonist type]Jun Xiaoyao transmigrates to a Xuanhuan (mysterious fantasy) world, becoming the Divine Scion of an Ancient Aristocratic Family. He possesses an unbeatable background, world-shocking talent, and furthermore, obtains a sign-in system. At the very start, he signs in and receives a fully developed (Great Accomplishment) Ancient Sacred Body.Signing in at the Taiyue Ancient Stele, he obtains a six-star reward: the Divine Elephant's Prison-Suppressing Strength!Signing in at his ten-year-old banquet, he obtains a seven-star reward: the Supreme Bone!Signing in at the Bronze Immortal Palace, he obtains an eight-star reward: the Myriad Creatures Mother Qi Cauldron!Signing in at the Boundless Realm Sea, he obtains a ten-star reward: the Great Art of Transforming into Freedom!Countless years later, Jun Xiaoyao sits cross-legged in the Ninth Heaven, points his sword towards the Azure Sky and declares: "Across the Nine Heavens and Ten Earths, I control destiny! At the end of the Immortal Path, I am the Apex!"Novel Keywords: Opening with a Sign-in to an Ancient Sacred Body