This spell creates a 2 inch diameter globe that can be hurled upto 30 yards. The caster must roll an attack roll to hit a creature with the following bonuses: 0-10 yd - +3, 10-20 yd - +2. 20-30 yd - +1. A miss is rolled as a grenade like missile to see where it hits. The globe explodes upon impact and does (1d4+1) damage per 3 caster levels to every one with 10 feet of it.
The material component is a piece of coal.