Atop the altar, Lin Ke had immersed his entire mind in resisting the mental assault.
The energy pouring into his body was immensely powerful.
Unlike ordinary mental assaults, however, the mental assault from this red crystal also carried a dense killing intent.
It was just like the wasteland in the dead of night.
That killing intent was savage and treacherous. If it invaded someone's body, it would undoubtedly destroy their mind and reduce their body to a walking corpse.
Yet while this powerful killing intent might pose a great threat to others, to him, it was merely mental power that was somewhat troublesome to deal with.
"Ancient Rust, refine!"
Within his Niwan Palace, the Ancient Rust Golden Core, one of his nine great golden cores, immediately lit up and unleashed a powerful suction.
When the mental power attacking from outside encountered that suction, it was like waters flowing toward the sea meeting a bottomless abyss, swallowed up in their entirety.
Ancient Rust absorbed the killing intent, while Lin Ke refined and absorbed the remaining vast mental power through his cultivation method.
To make this mental power even more refined, he guided the energy through full circuits within his body.
With each circuit the mental power completed, another portion of the energy's impurities was refined away.
It grew refined and pure, merging into his limbs and bones, his internal organs, and even his cinnabar field and sea of consciousness.
Infused with this pure energy, his mental power began to grow slowly and become more substantial.
The power within this so-called "celestial person soul" was indeed refined. The mental power he gained from absorbing it for just a short while already matched an hour of cultivation.
What delighted Lin Ke even more was that the celestial person soul contained more than just