The sword sheath felt very light in his hand.
Light as a feather.
Yet its material was extraordinarily hard. At first, Su Yi had worried that he might accidentally crush this severely decayed sword sheath.
But as he gradually applied more force, he discovered that even when he exerted his full strength, he could not damage the sword sheath in the slightest!
This immediately piqued Su Yi's interest.
Sure enough, this unremarkable sword sheath concealed a great mystery!
After some thought, Su Yi immediately separated a thread of Divine Sense and sent it into the sword sheath.
Boom!!
In a daze, it was as though he had suddenly entered a world of endless darkness. He could see nothing and could not discern any direction, only sensing an atmosphere of vastness, desolation, and deathly stillness.
As Su Yi circulated the power of his soul with all his might and continuously extended his Divine Sense deeper into the sword sheath, he discovered that it seemed to contain an endless, shadowy world.
In the end, even Su Yi's soul power—which was enough to suppress and kill the strongest High Ranking Gods of the Good Fortune Realm—began to strain, yet he still could not locate the boundaries of this sword sheath!
Su Yi was unwilling to accept this and continued probing.
And throughout the process, his soul power was being consumed at a terrifying rate.
As his Divine Sense went deeper and deeper, he still could perceive no sight at all. There was only endless darkness, silence, and desolation.
Who knew how much time passed before Su Yi suddenly let out a muffled groan.
At that moment, his soul power had actually reached the brink of exhaustion, and even his handsome face turned pale!
This left Su Yi deeply shocked.
What sort of mysterious