C3030 Deducing Cultivation Technique

Chu Yan forced a smile.

He had actually considered this question before.

If he continued with his current cultivation method, his future path could be said to be very difficult.

Even so, he was too embarrassed to tell Li Si that, in fact, his exclusive world still lacked at least 9,000 types of Great Daos, waiting for him to refine them.

Now, he could barely form a system