Altered Fireball (improved)

Altered Fireball (improved)
Skill: alteration/fire 18
Backlash: 19
Difficulty: 15
Effect Value: 18
Bonus Number to: effect
Range: 13 (400 meters)
Duration: 9 (one minute)
Cast Time: 3 (four seconds)
Manipulation: speed, control
Cast as the altered fireball above, with enhancements.
The burning sphere has a radius of ten meters. The magician controls the
movement and the duration of the spell. For the duration, he may move the ball,
either before or after it explodes to its full volume.
The sphere travels at 400 meters per round (100 miles
per hour). Once exploded, the fireball does damage each round.