Over the next few days, Fang Yan remained in closed-door seclusion within the Kunlun underground palace. Aided by the Azure Cloud Formation, the rate at which his strength increased exceeded even his own imagination.
By the third day, he had already broken through to the late stage of the Vein Gathering Realm.
His Dantian, meridians, and spiritual energy at the Vein Gathering Realm stage could be described as approaching absolute perfection.
Chapter 384