What Elder Hu crushed was a paired voice-transmission talisman. It could be used for normal voice transmission, or it could be crushed directly. Within a range of ten thousand miles, the matching talisman would shatter in response.
In certain emergencies, they could agree beforehand that a sudden shattering represented a particular message, allowing them to notify the other party quickly.
Although he and Elder Shi had not agreed to use it this way, they had long decided to keep these talismans outside precisely to avoid failing to notify one another in an emergency.
This was Bone Echo Market, so they still had to keep a low profile. As long as she sensed the corresponding transmission talisman shatter, she would naturally know it was time to act.
Elder Hu did not think it likely that Elder Shi had entered deep meditation. More likely, she had become so absorbed in her thoughts and sunk into contemplation that she had overlooked the passage of time!
After crushing the transmission talisman, Elder Hu extended his divine sense outside. Yet after some time had passed, the door to Elder Shi's room did not open.
"Hmm? Did she truly enter deep meditation? How is that possible? We agreed there was something to do tonight..."
Elder Hu felt that something was wrong, but he still did not go out. Instead, he swiftly shut down the formation in his room, then sent an invisible burst of force through the air.
The next moment, he saw light rapidly flickering outside Elder Shi's room. The flickering was not intense.
Yet Elder Hu knew that the formation inside Elder Shi's room must be roaring at that moment, warning whoever was within.
After Elder Hu stared at the flickering formation for several breaths, it returned to normal operation. However, the door to