C784 Yin and Yang Harmony

After the silver needle entered his body, Qin Zhong used a unique method to rotate the silver needle. Two minutes later, warm air flowed all over the Great Elder's body, making him moan in comfort.

When Qin Zhong heard this sound, he knew that the Yang energy in his body was replenishing.

However, it also needed a period of time to be fully replenished, because he had lost too much Yang energy