While his comprehension of formations was still limited at 7-star, his foundations were firm because he had studied the Heaven's Path Formation Art. If required to, as long as he studied the formation blueprint carefully, he would be able to set up basic grade-8 primary formations with ease.
"Alright!"
The supporting formation was a specialized formation to augment the transmission range of the Jade Communication Token, and it was not really a confidential secret or that sort, so Chen Leyao did not have to hold it back from Zhang Xuan. With a flick of her wrist, she passed a formation blueprint over.
Zhang Xuan took the blueprint and began studying it.
To make an analogy to his previous world, if the Jade Communication Token could be viewed as a cell phone, the formation would be a cell towers, serving to strengthen the transmission signals so that the message would be able to travel a greater distance.