Above the old tree root, black mist-like substance was continuously spewing out.
Amidst the black mist, the shadow of a sword-shaped weapon was becoming increasingly solid.
Zhou Yu watched this scene, his eyes full of shock.
He had previously speculated that there might be some Exotic Treasure hidden within this old tree root.
But he never expected that this Exotic Treasure would actually grow out?
This kind of situation, even though he had read so many ancient books, was unheard of and unseen.
At this moment, the shock in Zhou Yu's heart was indescribable.
He was no fool.
This old tree root had grown for over a million years to reach this point.
Moreover, a weapon seemed to be vaguely emerging from inside it.
No matter how you looked at it, this was an unprecedented occurrence.
Not to mention anything else, just that black knife-like weapon, if it truly forms, what grade would it be?
Perhaps, even top-tier Primordial Ancient Treasures couldn't compare to it.
