'The effect of Drunken Hand, when applied repeatedly to a target, gradually induces resistance. The second instance is directly halved, thereafter steadily declining, until the thirteenth time, when it becomes utterly ineffective.'
Li Chengyi flashed through the effects of Drunken Hand's Flower Language Technique in his mind.
His choice of fixing the two children's feet to the wall was deliberate.
That section of the wall was on the side of the shelves.
From his angle, he could see every move of the children's feet through the gap at the bottom of the shelves clearly.
In this way, every dozen seconds or so, when he saw them about to break free, he would go up and add another sword thrust.
Time ticked away.
Finally.
On the seventh reinforcement, ten minutes had elapsed.
Ding...
A wave of dizziness overwhelmed Li Chengyi, causing his vision to blur.
All the scenery in his view started to distort, rotate, change color, and blur.
After several seconds.