Ice Charm

Requires attunement
If attached to weapon: +1d8 cold damage.
1/Long Rest: Frosty Air: a target hit with an
attacks from this weapon is under the effects of the 'Slow' spell (DC 14)

If attached to Armor/Clothing: You are
immune to cold damage. Your move speeds cannot be reduced by magical means.
1/Long Rest: It's cold Outside: Every
creature within 10 ft of takes 1d6 cold damage at the star of their turns.