As an action, you can create this stone. As an action, a creature can throw this stone at a point within 5 meters, where it shatters on impact. Each creature in a sphere centered on that point must make a Fortitude saving throw.

On a failure, it takes 4d6 concussion damage and is deafened for 1 minute.

On a critical failure, it takes twice as much damage.

On a success, it takes half as much damage.

On a critical success, it takes no damage.

A deafened creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.


You can increase the damage by 2d6 for each additional catalyst expended.