C427 Sixth Floor

After a long while, Liu Yun finally calmed down and started cultivating.

Since there was such a huge difference between him and Yuyun, he had to make the best use of his time to cultivate.

Not long after, he refined the remaining energy of the Firesource Gold and increased his strength by another 500,000 kilograms.

If he could cultivate his skills to the Perfection of Second Circle