Arya had repeated the third version of the spell quietly to herself multiple times, hand itching to preform some sort of movement but she restrained the feeling long enough to get the pronunciation down.

She was so focused on the spells that she wasn't even paying any of the students, or Ellie, much mind. It was not-so-surprisingly easy to do with all the explosions going on around her.

The two professors and other prefects could handle it.

"Verdimillious Tria." Hm. The prefect gave her wand a small twirl, then went to slowly trace a large oval in the space in front of her, drawing out her words as well. A semi-translucent orb appeared out of her tip, flickered, and disappeared not a moment after. Her brow furrowed together at the now empty space as she pondered what'd just happened.

... And then she had another go.