This made Zheng Yi even more grateful for the preparations he made earlier.
The Slave Beast Contract, Master-Slave Soul Contract, Sealing Soul Blood Seal, Spirit Locking Ring, Seed Magic, Divine Thought Connection, and Heart Control Seed—seven shackles in total, coupled with Zheng Yi's own taming methods, were enough to tame the Ancestral Zombie Blood Bat, Cain, into a loyal dog.
Otherwise, the Ancestral Zombie Blood Bat, Cain, could evolve at any time, and if it suddenly broke through to the Foundation Establishment Stage, Zheng Yi, as the master, could definitely face serious trouble without absolute control.
Although with his current methods, he could withstand the backlash of this ferocious creature, precautions were still necessary; otherwise, he could unexpectedly fail disastrously.
By then, the first target the Ancestral Zombie Blood Bat, Cain, would attack would certainly be him.
