C1257 Too late
Ye Qian had heard of the Jade Illusionary Array when he was in the Immortal World.
The Jade Illusionary Array was not some lethal array. Its founder was one of the 12 Golden Immortals of the Hollow Jade Temple, Cloud Neutron.
Back then, when the Cloud Neutron Creation Jade Illusionary Formation was formed, Ye Qian was also invited to observe it