C89 Catenary Meter

"You are the Palmprint Holder, and sometimes, you feel that you are more accurate than them. "You have to believe in yourself!" The Old Man Qian stared at me and said word by word.

With the slingshot in my left hand and the bloodstone in my right, I tried not to tremble. But the more he thought about it, the more disobedient his arms became. The more he trembled, the more it shook