For Luo Chen, tempering his acupoints was not particularly difficult.
This was thanks to the solid foundation he had laid back in the Foundation Establishment Stage.
Had Xiang Fei not feared that he would temper them too quickly and destabilize his realm, Luo Chen's speed might have been beyond imagination.
Even so!
Under the meticulous control of the Blood Refinement Divine Aura, this stage continued advancing rapidly at a slow yet steady pace.
Within a year, he had tempered thirty-six acupoints—virtually one every ten days.
The second year was even faster, reaching two every ten days, for a total of seventy-two large and small acupoints tempered.
Such progress drew endless praise from Xiang Fei.
However, for a certain reason, Luo Chen had deliberately slowed the pace of tempering his acupoints beginning in the third year.
The quantity of Gang Qi!
Put another way, it could also be understood as resources.
A martial artist's Gang Qi came from the conversion of blood and qi, and blood and qi did not arise from nothing. They were refined bit by bit from resources drawn from the outside world.
The scarcity of resources in the Great Cataclysm Realm was an old and oft-repeated matter.
Even with the full support of Remnant Immortal City, and even relying on Luo Chen's influence to siphon resources from the surrounding major city districts, it was still only a drop in the bucket compared to the enormous amount of blood and qi required by his body.
The acupoints that had been tempered could not remain idle.
A portion of pure Gang Qi had to be allocated to reside within them. Only then could they open and close freely, making his entire body leakless.
In particular, Luo Chen's Blood Refinement Divine Aura was of exceedingly high quality, requiring an even