Within the Grotto-Heaven, spiritual light gathered once more, turning into waves of tidal spirit rain that slowly spread outward.
Before the tide, Ye Jingcheng looked through the spiritual light at the Jade Ring Rat in the distance, whose aura was growing ever stronger.
At this moment, the expression on the Jade Ring Rat's face was far from relaxed.
Most second-rank demonic beasts could already nurture an inner core within their bodies.
But in truth, even now, the Jade Ring Rat still did not possess an inner core.
The fact that its breathing technique had succeeded could be called a miracle in itself.
And at this moment, the Jade Ring Rat was condensing its own demonic beast inner core.
If it succeeded, its chances of reaching the Purple Palace would be very high.
If it failed, the lighter outcome would be serious injury; the worse outcome would be exploding to death.
There was not much Ye Jingcheng could do right now. The only things he could offer were a little encouragement in spirit, and having the Grotto-Heaven concentrate more spiritual energy, turning it into a tide of spirit rain.
Time slowly flowed by. On the Jade Ring Rat's face, ferocity, fear, and worry surfaced one after another, until in the end they all transformed into a firm resolve.
It opened its eyes, and from its dark-green pupils, a faint spiritual glow suddenly shot out. Its two ears also abruptly stood upright like a rabbit's, like two elephant ears.
And the Jade Ring Rat's aura finally broke through to the Purple Palace, making it a third-rank great demon.
Within its body, a third-rank demonic beast inner core the size of a dragon's eye had also taken shape.
"Many thanks, Master!" The Jade Ring Rat knelt devoutly before Ye Jingcheng.
Its two jade-ring