Lan Qianqiu kept his promise. He always did this. He took Guzi into his care after Qi Rong became nothing but ashes. And Guzi really wanted to return his adoptive father, who treated him better than his real father. A few years later, they were able to return Qi Rong to his form, but... He was too weak, could not move and had difficulty even speaking. Guzi was very worried about Qi Rong

Lan Qianqiu walks to the bed and takes Qi Rong’s hand, looking at him with a calm and cold gaze. He's going to transfer energy to restore the demon's strength

I'm doing this for Guzi. This will hurt