Ling Tian possessed the Gods and Demons Chaos Body and extraordinary talent. In truth, thanks to his mastery of the Time Secret Technique, his talent alone was no worse than that of the God Devouring Body, which had gathered the bloodlines of every race. He had also cultivated the Nine Reversals Heavenly Technique and reversed his Golden Core five times. Most importantly, his cultivation method was unlike that of other cultivators. Most of them followed the Heaven and Earth Great Dao, then drew upon it to attack. He forcibly controlled the Heaven and Earth Great Dao, then controlled its attacks. This made him far stronger than ordinary cultivators.
That wasn't all. He had also cultivated various secret techniques, and his comprehension of the various Law Powers was profound. This made him practically invincible among those of the same rank; he could even kill targets across realms. His defeat of Gao Feng and seven others despite being a full major realm below them was the best proof.
In short, Ling Tian could defeat anyone at the same level, including Po Tian and Chi Xue, even if they fused with an Ancient Divine Beast. In fact, the moment he broke through to the sixth quasi-sage rank, he would already be strong enough to suppress Po Tian and Chi Xue and defeat them. Fairy Sword Ji and the others had no doubts about that.
In short, once Ling Tian broke through to the sixth quasi-sage rank, he would be able to run amok almost without restraint. Joined by Xiao Shi, whose strength was even greater, they would be a threat to Chi Xue and the others' base, especially while Chi Xue and the others were away. After all, Ling Tian had mastered the Teleportation Secret Technique. Once he reached the sixth quasi-sage rank,