As time gradually passed.
Black Abyss Old Flood Dragon burned through all his blood and spiritual energy after using that Strength Enhancement Technique for too long.
Now, he could only fuel it with his lifespan.
But he was already old, with little lifespan remaining, so the Strength Enhancement Technique could no longer help him much.
In contrast, the Ghost Immortal Nine Mountains Spirit-Suppressing Sword Formation unleashed by Ling Pengxing remained as powerful as ever.
As a result, the tide here began to turn, and Black Abyss Old Flood Dragon gradually fell into a disadvantage.
"I fear this is the end."
Seeing the situation, Black Abyss Old Flood Dragon's brow filled with worry.
Meanwhile, Ling Pengxing, who resembled a Sword Immortal, fought more fiercely by the moment, excitement written all over his face.
Although he had yet to slay Black Abyss Old Flood Dragon and seemingly had gained nothing.
In truth, throughout his battle with Black Abyss Old Flood Dragon, his mastery of the Sword Dao had been improving at a respectable pace.
After all, the Sword Dao was a path of slaughter, and battle was where it advanced fastest.
Of course, this also owed much to his extraordinary talent in the Sword Dao and the years he had previously spent in seclusion comprehending it.
Without a solid enough foundation, he could hardly have made such progress in the Sword Dao.
A moment later, he spotted an opening and immediately waved his hand, unleashing the Fourth Rank Superior Grade Ordinary Ghost Sword he had withdrawn earlier. It caught Black Abyss Old Flood Dragon off guard and left an enormous gash across his body.
Black Abyss Old Flood Dragon's underlying strength had already been weakened by his strength-enhancing technique.
Thus, that injury became a turning point.
From then on, Black Abyss Old