The sentence spoken by the Original Art Immortal Sovereign evoked a sense of déjà vu in Han Yi.
With a thought, he remembered that back in the Penglai Immortal Realm, during his time with the Ten Thousand Spirits Sect, Jin Ming Taoist had said something similar.
However, Han Yi did not let it get to his head; he still wasn't a match for the more powerful ninth-tier Void Demons. Even after the unification, his strength was still far from sufficient in the Ancient Great World.
Next.
Han Yi and the Original Art Immortal Sovereign proceeded to exchange a century's worth of defensive experience and control over the Immortal Castle.