Alex needed to wait for the Emperor to wake up to continue the quest, and with his encounter with the Champion of Sin, he was again reminded of his laking mental defense.
Alex had the perfect tool to strengthen his mental defenses, the Abyssal Resonance Spirit Art that he acquired from the Final Test Of Might mission, but for the time being, it was useless.
The Abyssal Resonance Spirit Art had given him the Soul Infusion Skill that later evolved into minor soul energy manipulation, but that was just a side benefit he received from acquiring the art.
The spirit art was the same as battle arts, and just like them, he needed to achieve a certain condition to gain knowledge and begin practicing it, and the very first condition for the spirit art was to be able to sense his own soul.
