Xuan Huan: Unlimited modification of me, arbitrary for eternity!

Gu Yang had transmigrated to the fantasy world and obtained the production date modification system.

From then on, Gu Yang embarked on the path of unlimited modification.

[Your cultivation base has been modified to a trillion years, allowing you to break through the limits of the Immortal Emperor realm and reach the Eternal Dao Ancestor realm!]

[You have successfully comprehended the Supreme Sword Scripture after modifying the cultivation technique to billions of years. You can reverse space-time and fate.]

[You have modified your beast pet White Fox’s bloodline to billions of years ago. You have successfully awakened the ancient Nine-Tailed Heavenly Fox bloodline!]

……