As members of the Illusory Demon Royal Family, all of whom were immediately established at the summit of the Illusory Demon Realm from birth, whom possessed status and power that people of the realm would admire and look up to; what kind of desperate situations would they face in their life? So even though it was easy to use this skill, the majority of the people who had both the strength and ability to do so would have never use it even once in their lifetime.