Silver Dragon Katana (Patreon)

Weapon (longsword), rare

This shimmering silver katana is always cold to the touch, and a flurry of snow and ice trails behind it whenever it's swung. This sword has the finesse property, and when you hit with an attack using it, the target takes an extra 1d4 cold damage.

You can use an action to speak the weapon's command word and swing it down in front of you. When you do, a blast of freezing winds erupts in a 30-foot cone from the blade. Each creature within that area must make a DC 15 Constitution saving throw as it's struck by the flurry of icy shrapnel. A creature takes 2d6 slashing damage, 2d6 piercing damage, and 2d6 cold damage on a failed save, or half as much damage on a success. Once this property of the sword has been used, it can't be used again until the next dawn.

A blade that cuts through you like a cold wind. You can't escape its bite, no matter the armor you bear.