When Zhang Yu had fought Cao, Kang, and the others before, he could tell at a glance roughly what level they were at. But that no longer worked here.
At this moment, Gao Zhiyin's aura was indistinct, and her body drifted uncertainly. She had concealed herself with some method.
With such protection in place, neither All Constant Change nor Heavenheart Mutual Mirror could fall upon her. Thus, Zhang Yu began by testing her with a Cicada-Wing Flowing Light technique.
Gao Zhiyin knew of Zhang Yu's past achievements. The fact that she still dared fight him now was partly due to her unbending nature, and partly because this was her home ground.
Every forbidden array around this tower had been personally laid down by her. The flow of its vital currents was wholly attuned to her divine abilities and magical power, and various magical artifacts also supported it. Fighting here could raise her strength by thirty percent out of thin air.
There was no way she would simply give up and admit defeat.
When she saw the winged streams of light slash toward her, she drew upon the array mechanisms and pushed forward with her own magical power. With a sharp cry, she met them head-on.
After the two streams of light cut inside, the array power and magical power gradually wore them away. Only when they came within three feet of Gao Zhiyin did they finally dissipate completely.
Though she had fully blocked this attack, her heart could not help but tremble. She could naturally see that the attack which had required her utmost effort to neutralize had merely been a casual strike from Zhang Yu.
She did not dare remain where she was and wait for Zhang Yu to attack again. Raising her sleeve, she formed a hand seal