C483 Training the Bone Flute

Upon his return, Han Yi swiftly retrieved the formula he had previously acquired.

"I never anticipated it would be this intricate," he mused.

Feng Yuelan had been observing the whole time. Seeing the flute on the verge of breaking free from its constraints, he quickly employed a technique to assist Han Yi.

"I didn't see it coming either."

"At any rate, it's certainly beyond what we expected