It was a rare thing for mages to see precious materials and not be moved. The horns of Nailisi's devil form emanated a peculiar brilliance. If her devil form advanced, the horns might even be able to cast powerful demon magic.
Purgatory Web was a spell that was incredibly slow to cast yet possessed a very long duration of attack. No beings below grade-9 would be able to defend against the entanglement of the Purgatory Web spell. Grade-7 spells were not something to be underestimated, as it was not to say a spell would have been more damaging the higher the level of said spell. Many spells were deemed to be low level ones chiefly because they have had strict casting requirements, making it very difficult for such spells to land a hit on the intended target.