Shard of the Ise Rune

Wondrous items, Very rare, (requires attunement)
Frost Friend, you have resistance to fire damage
Once per long/short rest:
Icy mantle, touch a creature with a wet finger,
immune to bludg/pierc/slash damage once within
a minute
Frigid touch, freeze a 10 ft radius sphere of water
Winter's Howl, cast sleet storm (Spell save DC17)