Message Transmission

As he spoke, Teacher Gu Luo handed over three prepared black stone slabs to Fang Heng and the others, one for each of them.

The slabs were small, about the size of two stacked tablets.

"The stone slabs remain in an inactive state. When the undead council wishes to contact you, the slabs will emit a slight warmth, and text will appear on their surface. However, remember that the slabs only allow for one-way communication; you cannot use them to send us messages."

"Additionally, we can observe your general situation through a mirror, but the image will be very blurry, making it difficult to discern clearly. While it will be challenging to convey detailed information through the mirror, simple responses like 'yes' and 'no' can still be communicated."