The power exceeded his imagination to the point that he thought he had become a terrifying figure. What a power that can make a person see everything as an observer. That's the authority that entity has.
Something given to him to fulfill his contract. That's why he couldn't relax as a price. Saving this world is the same as fighting the Tower of Desire. That meant he was also fighting the causality of this world which had been controlled by the Tower of Desire.
In the last few moments before this sudden exam, Elurian thought of another plan that was better than now. However, he ultimately didn't choose it because he would just default on his contract again.
At that moment, Elurian thought of something that kept nagging at the back of his mind. Regarding his contract with that entity, also regarding the whereabouts of Rex Violet, who is most likely his older brother.
