Since Roman times, people have associated the hand's fourth digit with the wearing of rings. In many cultures, a proportionally longer ring finger in men has been taken as a sign of fertility.
The ball explodes on impact, knocking enemies to the ground and dealing 1d3+3 fire damage per two caster levels (a successful Reflex save reduces the fire damage by half and negates the knockdown effect) and 1d2+2 force damage per caster level (no save) to targets in the area.
How much damage can carpenter ants do? Carpenter ants can be destructive if left unchecked. They can and will destroy the structural integrity of sills, studs, and headers as well as door casings. They will also invade through the kick plate area under a door and damage the box band behind it.