Sebastian shot a spell which bounced off of Leanders protection spell and hit the large skeleton of an animal on the ceiling. As the skeleton fell, your teacher stopped it from dropping and quickly repaired it back onto the roof.

Sebastian laughed to himself and turned to walk to his seat before locking eyes with you, he smirked and walked over, his arm outstretched towards you

"Ah so you're the new fifth year everyone's talking about? Well I'm Sebastian Sallow, Hogwarts' best dueller!"