Not only William.
Others also noticed the problem on the field.
The Marquis Enwei, who had promised not to interfere, tried his best to widen his Big Eye, even raising the blood vessels beneath his head as signal receivers to enhance his Sensing,
"Hmm? This human called Zede, his Aura is becoming increasingly faint, even disappearing completely for a few milliseconds.
The entire arena's color is shifting towards the color of this fellow's corpse, what a strange feeling, how is it done? Some sort of illness effect I haven't seen before?"
Without affecting the duel between the two, Marquis Enwei inserted a blood vessel into the ground, slowly getting as close as possible to the location of their combat.
Suddenly, he widened his Big Eye abruptly. As the blood vessel gradually approached from the edge of the arena, it could clearly sense the changes in the geological structure. About ten meters from Zede, there was a clear shift towards corpse-like structures.
