When a person's five senses were almost completely gone, he was actually no different from a dead person, because he had lost all his senses of the outside world, leaving only his own world.
When a certain feeling was infinitely magnified and specially guided, it was possible that even one's unique spiritual world would collapse.
After all the perceptions and spiritual worlds collapsed, this person was equivalent to dead.
The appearance of the pure Heavenly Dao laws and ownerless souls in the energy crystals injected new perception into Han Fei's spiritual world.
Suddenly, Han Fei understood what Senior Brother Lei Heng meant when he said to collect as many energy crystals as possible. These energy crystals were not used for cultivation, but to impact his law of the Great Dao and soul with the continuous injection of the Heavenly Dao laws and ownerless souls from the energy crystals to strengthen his perception.