Rhea was near Rudolph during the initial minutes of the assessment, given they targeted the same beast at the same time.
Although Rudolph backed out soon after, given Rhea stabbed the beast, which Rudolph failed to do, they remained close by for the next few minutes...until the catastrophe appeared.
Rhea and Rudolph were in the top five strongest students from the Apex Circle, which explains why, unlike many other students, they didn't fall to their knees and were able to hold their stance.
Rhea was the first one to respond to the danger, as she dashed toward the border of the forest which was near to the Academy.
Her heart was beating rapidly, not only because she was moving her body rapidly but also because she was quite nervous.
This was the second time she had felt such an ominous aura from a being—the first time was when she faced the berserk Valerie back in Parkinson's room.
