Wakened dragon's wrath weapon, Greatsword (cold)

Very Rare

Weapon (any), varies (requires attunement) This weapon is decorated with dragon heads, claws, wings, scales, or Draconic letters. When it steeps in a dragon’s hoard, it absorbs the energy of the dragon’s breath weapon and deals damage of that type with its special properties. Slumbering (Uncommon). Whenever you roll a 20 on your attack roll with this weapon, each creature of your choice within 5 feet of the target takes 5 damage of the type dealt by the dragon’s breath weapon. Stirring (Rare). The Stirring weapon has the Slumbering property. In addition, you gain a +1 bonus to attack and damage rolls made using the weapon. On a hit, the weapon deals an extra 1d6 damage of the type dealt by the dragon’s breath weapon. Wakened (Very Rare) . The Wakened weapon has the Slumbering property, and it improves on the Stirring property. The bonus to attack and damage rolls increases to +2, and the extra damage dealt by the weapon increases to 2d6. As an action, you can unleash a 30-foot cone of destructive energy from the weapon. Each creature in that area must make a DC 16 Dexterity saving throw, taking 8d6 damage of the type dealt by the dragon’s breath weapon on a failed save, or half as much damage on a successful one. Once this action is used, it can’t be used again until the next dawn.

Ring of Telekinesis

Very Rare