chapter 269 Overbearing CEO

For the next two days, Christafer Ning rejected all unimportant things.

I have always devoted myself to helping Sang Yu improve his strength.

It is to use medicinal herbs and his true energy to forcibly impact Sang Yu's tendons and veins.

This method really can't be used too often.

If used excessively, it will cause irreparable damage to the tendons and veins.

Moreover, in Christafer Ning heart, only the strength that one obtains by oneself can be...