The local forces really should not be underestimated; in higher environments they might seem constrained, but in lower ones, as long as there's an opportunity to perform, the efficiency surges rapidly upward. It was only after the number of energy flow directions decreased to eight that some abnormal reactions appeared.
That is, after one disappeared, another reappeared. By this time, Zheng Yichen already knew the reason. Ahn Longling had also dealt with two split-off mental parasite monsters; one was genuinely killed off—quite a special creature, but it got blasted into nothingness under heavy fire.
The other was dealt with by means similar to sealing; that split-off mental parasite monster was isolated inside a specially made container.