From Ars Magica
Modified by arrow speed, sets the target on fire if it is a fire arrow.
Summoned Skeletons are summoned creatures with a ranged bow attack.
The skeleton is an undead archer, similar to the vanilla Skeleton mob.
The skeleton loosely follows the summoner, shooting arrows at nearby mobs. Skeleton shots have a 10% chance to shoot as fire arrows.
It burns in sunlight.