Riddick sits at his desk, spinning his knife tip on the desk casually. When everyone sits down, he looks up. "Take out your wands. Got a spell to teach you." He waits patiently for everyone to pull them out. "Alright. I'm going to teach you an augmentation spell. You can all see I provided a weapon. Now, the objective is to augment the weapon with the spell. We'll start with the most simplest one." He showed them the hand motion to make. "The incantation is Augo Inflammo. If you succeed. You should get something like this. Taking his knife he muttered the incantation and flames surrounded the blade completely, but did not spread to the hilt. It vanished with a flick and another incantation. "Exstinguo. It's a fire augmentation. Now. Let's see if you all can pull it off."
((Sorry for posting it so late... I'm a procrastinator DX ))