Artemis glanced up once he saw Casimir leave the room. The male was probably going to check on the cause of the explosion - and hopefully stop it from happening again. He let out a small gust of breath, leaning his arms against the table and flipping his wand through his pale fingers. "...Avis." A large flock of magical, glimmering white and black birds shot out of his wand, and Artemis twirled his wand once more, aiming at the row of birds, "Animalancea." His wand glowed an ominous blue-ish white before a long, spear-like bolt of sharp white light blasted out of his wand, piercing through the row of birds's chests and causing them to disappear silently with a puff of smoke.

"Hm..." He took out his notebook and began writing once more.