Rime Storm Rite

You and a creature you choose within 30 feet of
you gain 16 Temp HP, gain Cold Damage Resistance, and Immunity to Exhaustion.
Whenever you deal cold or force damage on a
weapon attack, the creature dealt damage and a creature within 5 feet make a CON Saving Throw
or become stunned and their speed is reduced
to 0 feet until the end of your next turn. On a successful save, the creature(s) Speed becomes 0 until the end of your next turn.