On the Earth Plane, the Paralysis Technique isn't as terrifying as on the Kunhao Plane, mainly because of—ignorance.
As a plane that has produced Golden Cores and even Nascent Souls, Emergence Stage cultivators, although it's already in a state of decline, there are plenty of legends, and the Paralysis Technique is just one of them. There are others like the Wall-Passing Technique—in the Kunhao Plane, passing through walls is an unimaginable secret technique.
Right now, no one in the Huaxia Daoist Sect knows the Paralysis Technique; it's been a long time since anyone talked about it. But plenty of people know the Thunder Technique, which has a paralysis effect somewhat similar to the Paralysis Technique, so no one thinks the Paralysis Technique is all that terrifying.
However, Yu Kun Daoist was still frightened. The Paralysis Technique is not scary; what's scary is a Paralysis Technique that can immobilize an Emergence Stage cultivator.
