"There was already a spell put on cauldron before it materialized into the living world. When the time comes, it destroys itself and turn into invisible toxic gas that enters the target's body through skin. Now, usually, it doesn't work as the soul energy inside the target will resist it. But, when the target doesn't have much energy reserves or have their soul orb sealed, they were bound to become unconscious. The most potent of this technique is that not even a demigod can sense it, unless they possess special eyes. Of course, it is useless against you."
Upon listening to the Reaper's explanation, Azzy couldn't help but furrow his brows in displeasure, "isn't it cheating?" He commented.
The Reaper chuckles, "he didn't break any of your tournament rules. If anything, he should be lauded for showing such method."
"But…"