C4120 Train an Adult Pet

"There's a big difference between the Bone Strengthening stage and the Qi Cultivating stage. It's one thing for a small realm to increase quickly, but a big realm can't be so rash. The slightest mistake will cause one's foundation to be unstable and cause trouble."

Ye Feng's expression was solemn. He had just reached Rank Nine of the Bone Strengthening Realm