Helm of the Winter Duke

Wondrous item, legendary (requires attunement by a creature of good alignment)

This dark brass helm is inlaid with blue and orange star crystals in a snowflake pattern and has two holes to accommodate a set of horns.

While wearing the Helm of the Winter Duke, you gain the following benefits:

• You gain a +2 bonus to AC and you deal an additional 1d4 cold damage on melee weapon strikes.
• You have resistance to cold damage.
• You may use an action to cast the jump spell. Once used, this property cannot be used again until dawn.
• You may use an action to cast crystalline strike. Once used, this property cannot be used again until dawn.