Bang, bang, bang.
After he had fully made out the formation patterns engraved inside the great halberd, Song Changsheng's heart began to pound violently beyond his control. No wonder it had felt familiar—the formation engraved within it was actually the Third Killing Formation Under Heaven.
More precisely, it was an incomplete formation, similar to the one he had seen at the Array Dao Academy. But this one was far too damaged, with only an extremely small portion remaining—high probability not even one percent of the original formation.
That was why, although he had found that aura extremely familiar at first, he had not associated it in this direction.
The Third Killing Formation Under Heaven inside his body had been formed by imitating the Dao rhythm engraved in the incomplete formation at the Array Dao Academy. Even if he had more confidence in his own attainments in array formations, he did not dare say he had imitated the essence of that incomplete formation.
This point had been reflected intuitively in the might of the two battles before and after. In the first battle, what he had used was the true-rhythm killing qi that True Monarch Yingyue had sealed within his dantian. Once released, even a Nascent Soul True Lord had to give it a wide berth; in a single battle, it had wiped out more than thirty Demon Kings, including Yin Jue.
Of course, the price he himself had paid was also extremely heavy.
Later, in the battle at Qingfeng Mountain, he had likewise used the Third Killing Formation Under Heaven. The price was smaller, but its might had plummeted straight down, all because the formation he had engraved possessed only its shape and lacked its true rhythm.
This was not because his learning was shallow. Looking across the entire cultivation