[Frozen Norse] Frostrune Handaxe (Patreon)

Weapon (any axe), uncommon (requires attunement)

In the heart of a frozen volcano, frost giants make these coldforged weapons in the Frozen Forge. As they hammer these ingots, they sing the song of steel, an ancient melody that prevents the cold, brittle metal from shearing beneath their mighty blows. By pressing the rune-engraved metal into one’s skin, one creates a nigh-unbreakable bond with the Frozen Forge.

The axe has 5 charges and regains 1d4 + 1 expended charges after it spends 8 hours in snow, ice, or water. As a bonus action, you can expend a charge to cause cold mist to emanate from the axe for 1 hour. It glows a soft blue, shedding bright light for 10 feet, dim light for an additional 10 feet, and deals an additional 1d4 cold damage on a hit.

Enhanced Attunement: Brand. If you undergo a branding ritual to become bonded to the axe, you can spend 2 charges to cast the spike growth spell (save DC 13) as an action, replacing the thorns with a layer of razor-sharp icicles. In addition, the weapon regains all expended charges instead of 1d4 + 1. Once you have undergone this branding ritual, you can’t willingly unattune from the axe until someone else willingly undertakes the branding ritual, at which point the attunement passes to them.

Rare version: Increase the number of charges to 7, the recharge to 1d4 + 3, and the cold damage to 1d6. When you use the axe to cast spike growth, increase the save DC to 15, and the damage to 3d4 per 5 feet travelled.

Very rare version: Increase the number of charges to 9, the recharge to 1d6 + 3, and the cold damage to 1d8. When you use the axe to cast spike growth, increase the save DC to 17, and the damage to 3d6 per 5 feet travelled.

Legendary version: While holding the axe you have resistance to cold damage. Increase the number of charges to 12, the recharge to 1d8 + 4, and the cold damage to 2d6. When you use the axe to cast spike growth, increase the save DC to 19, and the damage to 4d6 per 5 feet travelled.

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