Because the power of the Fourth Turn of the Great Supreme Realm is utterly useless to him now!
Therefore, further breakthrough is necessary!
Of course, such breakthroughs are not boundless; they are constrained by his Martial Arts Cultivation!
Otherwise, he could have simply focused on mastering this Divine Skill from the beginning until he comprehended the true Thousand Palm Seals!
Clearly, this is impossible!
The same applies to the "Thousand Hand Seal", "Wind Shadow Step", and "Dayan Sword Technique"!
This is precisely what is referred to in Martial Arts as cultivation being the root of everything, and this is the reason!
For instance, Bloodline Power also increases with the improvement of cultivation, and similarly, the power of the Divine Bone is closely related to Martial Arts Cultivation!
What Su Chen has achieved is already incredible; even in Zi Mei's eyes, it can be considered a miracle or even a divine miracle!
