It seems an emergency chip was installed inside the body, these chips can be mounted on the brain and heart. Besides for locating, they are mainly for controlling people, similar to Xu Huo using Psychic Power to interfere with this person. Unlike ordinary props, mental interference might lead this person to divulge information about the Fish Banquet, so the owner of the Fish Banquet will proactively find ways to respond.
The person was thoroughly dead, Xu Huo took off the jellyfish mask that lost its luster from the person's head and wore it himself, the jellyfish mask did not emit a faint glow like before, indicating it failed.
He crushed the mask, discovering some miniature devices inside, likely used for identity verification.
He then brought out his invitation and exchanged it with the Girl in the painting. Afterward, the mask on his head turned back into a clownfish, while the Girl in the painting's head transformed into a Piranha.
