But his current state was not yet the endpoint of Eternal Calamity Undying.
As Chang Xiwen had said back then, this technique could ultimately borrow the physical power of the extreme sovereign realm. Only that was true "eternal calamity undying," the ultimate pursuit of this technique!
Chen Fei could now borrow only an early stage sovereign realm physique, not because the technique limited him, but because this was the current limit of what he could withstand.
It was like forging a peerless suit of divine armor. The armor itself could be indestructible, but if its wearer lacked sufficient strength and sturdy enough bones and sinews, its weight would crush and suffocate them instead.
Chen Fei's present-day body was that wearer. Although his physical strength already far surpassed the ordinary extreme immortal realm, his bodily strength, the resilience of his soul, and his reserves of essence power were still woefully inadequate to bear the "divine armor" of the middle, late, or even extreme sovereign realm.
Forcing the projection would only cause that vast power to burst him apart in an instant, annihilating both body and soul!
Now, Eternal Calamity Undying had reached great perfection, as though a seed of "undying" had been planted within Chen Fei. This seed contained the supreme Great Dao leading to an extreme sovereign realm physique.
When Chen Fei truly broke through to the sovereign realm in the future, he would no longer need to continue cultivating this technique, for the technique itself had already reached great perfection. What he would need to do then was find powerful fifteenth-order heavenly materials and earthly treasures and integrate them into the technique to nourish and strengthen that "future body."
Only when the "future body" refined purer, more immense undying substance and eternal laws could its power descend backward through