Flame Storm is a direct damage spell. Place the small round template anywhere within 30" of the Wizard – it then scatters D6". All models hit by the template suffer a Strength 4 hit. The Wizard can choose to create a larger conflagration, using the large template rather than the small template. If he does so, the casting value is increased to 16+ and the template scatters 2D6" rather than D6".