C1470 Unlocking the Seal of the Limitless Abyss

Shen City, Underground Demonic Metropolis.

In a secret cultivation room, he unwittingly followed the cultivation method of the Heart Devouring Formula and cultivated in seclusion for another two days.

This time's cultivation, was undoubtedly extra good for raising his Heart Devouring Formula.

Of course, with the realm in which he was cultivating the Heart Devouring Formula