Summon an infernal blast of fire

Thinking fiery thoughts, you point at Overon and say, "Fierus, Burnus, Burnus!".

Overon is soon engulfed by the burning flames, but he doesn't seem to mind one bit. With a wave of his hand, your cool pyrotechnics disappear into nothingness.

Now, it looks like he's weaving a spell of his own.