ShiftstoneLevel 8 Common

Building these stones into your home removes handholds from would-be intruders.

Wondrous Item        3,400 gp

Property

The DC of Athletics checks to climb a building incorporating shiftstone increases by 10. To gain this benefit, a house requires one batch of shiftstone during construction, a mansion requires five batches, and a castle or larger structure requires twenty-five batches.

Published in Adventurer's Vault 2, page(s) 81.