chapter 20 curiosity

Canyn put his hand under the mattress, and when it reappeared, a thin piece of yellow paper, no more than the size of a coin, was in his hand.
There were strange lines drawn on the yellow paper, like the ghost drawings in the legends.
Then Canyn quickly found similar pieces of small yellow paper from the other three corners of the hospital bed.
Isaihas was stunned, and his anger rose uncontrollably.
Although he didn't know what the yellow paper was used for, it was definately not a good...