Cobbleswarm (B5)
Level 2Abilities
A cobbleswarm's tremorsense is a precise sense out to 40 feet and an imprecise sense out to 80 feet. A cobbleswarm can't sense anything beyond the range of its tremorsense.
The cobbleswarm's space is difficult terrain.
The cobbleswarm attempts an athletics check and compares the result to the Fortitude DC of each creature in its space. This counts as two attacks for the cobbleswarm's multiple attack penalty.
Critical Success The creature falls prone, takes 1d6 bludgeoning damage, and is Grabbed by the cobbleswarm until the end of the cobbleswarm's next turn.
Success The creature falls prone.
Each foe in the cobbleswarm's space takes 2d4 bludgeoning damage (DC 17 reflex save).
Cobble mites resemble squarish stones a few inches across with mouths like split geodes. Though indolent and harmless alone, they're dangerous in large groups.
Busy road builders might unknowingly use cobble mites in construction.