This circular, coin-shaped talisman is half flame red and half ice blue.

An enduring amulet protects you from extremes of temperature, as if by the endure elements spell. This is a continuous effect and requires no activation.
In addition, the amulet has 3 charges, which are renewed each day at dawn.
Spending 1 or more charges grants you resistance to cold and fire for 1 round.
1 charge: Resistance to cold 10 and fire 10.
2 charges: Resistance to cold 15 and fire 15.
3 charges: Resistance to cold 20 and fire 20.

Prerequisites: Craft Wondrous Item, resist energy.
Cost to Create: 500 gp (plus 500 gp for base item), 40 XP, 1 day.