Frost Brand Ko-naginata (5e Equipment)
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Ko-naginata (Martial Weapon: 1d8 slashing, 3 lb, Finesse, Versatile (1d10), Reach, Heavy), Rare (Requires Attunement)
When you hit with an attack using this magic weapon, the target takes an extra 1d6 cold damage. In addition, while you hold the sword, you have resistance to fire damage.
In freezing temperatures, the blade sheds bright light in a 10-foot radius and dim light for an additional 10 feet.
When you draw this weapon, you can extinguish all nonmagical flames within 30 feet of you. This property can be used no more than once per hour.
Finesse: When making an attack with a finesse weapon, you use your choice of your Strength or Dexterity modifier for the attack and damage rolls. You must use the same modifier for both rolls.