The speed of rotation kept increasing, and once Lin Feng successfully rotated it to a certain limit, he would need to absorb more spirit qi from nature itself to facilitate his breakthrough without stopping the rotation.
Absorption of spirit qi halts once the meridians are completely filled, and expanding them without absorbing more spirit qi becomes impossible, which is required for a breakthrough.
Hence, all this qi rotation was to make the meridians stretchable so that he could absorb more spirit qi easily, which would expand the girth of the meridians to a new size. Once this happened, he would successfully break through to the Foundation Establishment realm.
After a few breaths, Lin Feng reached the required rotation speed, which made his meridians stretched enough. He immediately used his cultivation technique to pull spirit qi from nature.
