"All Tier 1 Skills are related to the perception of some kind. That is why; they can also be easily guarded against." Madam Rizenne unleashed her psychic arm, hovering it next to her body. "Now, everyone activate your Skills and try to sense my position."
Upon her command, all the Warriors activated their skills, including ones whose Skills were ones like Faster Thoughts, only capable of affecting their own selves. Many students nodded, upon being able to lock onto her position, especially the ones who possessed vision-based Skills.
"Now, see if you can…" Her words were cut short; her image disappeared, leaving the students baffled. Irrespective of the methods they used, they could no longer sense the presence of Madam Rizenne in the auditorium.
Time passed in such a fashion, soon crossing the 30 minutes mark. Not once were the doors of the auditorium opened, meaning, Madam Rizenne was still inside, hiding through some means.