Magma mephit

Magma mephit: Chaotic and destructive, mephits come in many shapes and have a wide range of abilities. Most are drawn from the various elemental and quasi-elemental planes.

Special abilities
A magma mephit has 5/+1 damage reduction and 100% immunity to fire damage, but also has 50% vulnerability to cold damage. This creature regenerates 2 hit points per round.

This mephit can use its cone of fire once per day.