This dull red crystal pulses in time with your heartbeat.
This augment crystal grants you a +5 competence bonus on saving throws against disease and poison. In addition, if you fail a save against a poison or disease effect, you can choose to reroll the save as an immediate (mental) action.
This ability functions once per day.

A crystal of stamina protects you from assaults against your physical health.

Prerequisites: Craft Magic Arms and Armor, neutralize poison, remove disease.
Cost to Create: 1,000 gp (plus 700 gp for base item), 80 XP, 2 days.