"Yes, you are right this time. The function of this black bead is to show how much energy you have stored in the soul-dropping knife. The bead itself is black, but if you have stored it up, the bead will turn white. After the bead has completely turned white, it means that the stored spirit is full."

"That is to say, all the white lines on it are my spiritual power?" Guan Yu's way of surprise.

Now it seems that there are several white lines. If the topic looks like it, about one-tenth of them are white and one-tenth of them are black.

"Yes, it's all right. Children can be...