As an action, you can create this bomb. As an action, a creature can throw this bomb at a point within 5 meters, where it explodes on impact. Each creature in a sphere centered on that point must make a Reflex saving throw.
On a failed save, a creature takes 1d6 fire damage and 3d6 piercing damage.
On a successful save, it takes half as much damage.
The fire damage increase by 1d6 and the piercing damage increases by 1d6 for each additional catalyst expended.