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Although he was only half immortal, he had coalesced his own immortal body.
The most precious substance of immortality was exactly the immortal material they had coalesced.
Immortality allowed one to not die through the cosmic cycles and in the collapse of the universe, relying precisely on the immortal material, a substance even the cosmic gods lacked. If a being at the fourth step were to acquire it, they could comprehend the even more mysterious realm of immortality.
However, immortal material was too precious, it was their very life.
To take immortal material was to take their life, a fate more horrific than cutting flesh and spilling blood.
The so-called Immortal Divine Crystals were also a type of precious material similar to crystals formed from a large amount of immortal material, which was exactly one of the valuable materials required by the Primordial Book.
