Charm of the Snow Walker

This charm has 3 charges. As an action, you can
gain the following benefits for 24 hours:
{1}: You can your allies within 15 feet ignore difficult terrain caused by snow or ice.
{1}: You can see through areas heavily obscured
by snow to a distance of 60 feet.
{1}: You are immune to the effects of extreme
cold (you are not protected from cold damage).
Once all its charges have been expended, this charm
vanishes from you.