C178 He Advanced Just by Eating It

How did his sister become a Martial Warrior level two?

Could it be... those candies?

"To be honest, how did you advance to the Martial Warrior level two?" Yun Haoyan asked seriously.

Seeing her brother's serious expression, Yun Tiantian lowered her head and played with the corner of her clothes, saying softly,

"I... I don't know either. I became a Martial Warrior level two while eating them