# Thunderstone (Lesser) ![[systems-pf2e-icons-equipment-alchemical-items-alchemical-bombs-thunderstone.webp|150]] **Activate** 1 Strike * * * When this stone hits a creature or a hard surface, it explodes with a deafening bang. A thunderstone deals the listed sonic damage and sonic splash damage, and each creature within 10 feet of the space in which the stone exploded must succeed at a DC 17 fortitude saving throw with the listed DC or be [[Deafened]] until the end of its next turn. Many types of thunderstone grant an item bonus to attack rolls. The bomb deals 1d4 sonic damage and 1 sonic splash damage, and the DC is 17.