For now, Chi Xue and the others would certainly use the Phoenix Soul Fruits to undergo nirvanic rebirth before Ling Tian and Little Devourer did. That meant they would have a chance to far surpass Ling Tian and the others in cultivation. After all, during the period immediately following their rebirth, Ling Tian and the others' cultivation realms would be very low. Even once they recovered to their peak, they would still be weaker than Chi Xue and the others, whose cultivation had surely advanced greatly over all this time. Thus, Chi Xue and the others would have a chance to kill or even capture Ling Tian and Little Devourer.
After thinking it over, the group stopped urging them to use the Phoenix Soul Fruits for nirvanic rebirth. They knew it would be a waste to use them now. Besides, they weren't too worried about Ling Tian and Little Devourer killing them. Mist shrouded the God Realm, concealing their auras, and the spatial tremors prevented anyone from setting up Teleportation Formations. Under those circumstances, even if Ling Tian and the others were stronger, finding Chi Xue and his group wouldn't be easy. If they couldn't find them, they naturally couldn't kill them.
And so, Chi Xue and the others didn't use the Phoenix Soul Fruits to undergo nirvanic rebirth. They didn't sit idle, either, and continued to improve their strength. Refining powerful Bloodline Power had stalled their cultivation, but they could still grow stronger through other means, such as comprehending various secret arts and familiarizing themselves with the ones they had already mastered.
It was worth noting that Chi Xue and Po Tian now began refining High-level Outer Realm Power. It was extremely difficult, but because they had refined Venerable Sword Saint's Bloodline Power—especially the Origin Bloodline Power of the