Ordinary Fifth-Grade cultivators could not even see Invisible Sword Gu, let alone Blade Gu, their mutated counterparts.
If Song Shuhang's Invisible Saber Gu fully concealed its aura, it could even evade the senses of cultivators in the Sixth-Grade Realm.
So, while that Celestial One was resisting the Overlord Shatter Saber, the Invisible Saber Gu quietly slipped behind him and stabbed at his waist.
Shhk~
The Celestial One's defenses and magical robe were pierced in a single thrust, and the Blade Gu's tip sank smoothly into his lower back.
"Aah~~" the Celestial One screamed.
He instinctively reached back, grabbing at his lower back.
"Aah~" the Celestial One screamed again. His hand had grabbed the Invisible Saber Gu's blade, leaving it covered in blood.
Immediately afterward, his vision went black. He fell from ten meters in the air and crashed into the mountain forest.
He let out a third scream. "Aah~~"
After he fell, the Invisible Saber Gu quietly withdrew from his lower back and went into hiding again.
Not a drop of blood clung to the Blade Gu's surface.
The Celestial One whose lower back had been pierced was already unconscious—he had been poisoned.
The Blade Gu possessed a Gu bloodline and could secrete a potent paralytic poison when necessary. This poison could impair even Sixth-Grade cultivators, while Fifth-Grade cultivators would fall unconscious outright.
Living Celestial Ones were worth more than dead ones.
The paralytic poison could render Celestial Ones unconscious for a long time without endangering their lives. It was extremely cost-effective.
In the air, the three remaining Celestial Ones were terrified.
Their aircraft had been destroyed in the first exchange.
Two of their companions had been cut in half at the waist, while another had inexplicably fallen unconscious and lost the ability to fight.
Yet from beginning to end,