Calamity Ring (5e Equipment)

Ring, legendary (requires attunement by a spellcaster)

This black ring houses a gem that casts an orange glow, both faint and dire. The ring has a number of charges equal to your spellcasting ability modifier and regains 1 expended charge daily at dawn. While wearing this ring, you can use an action and expend a charge to make the following attack.

Red Eye Telekinesis. Ranged Spell Attack: +15 to hit, range 30/60 ft., one creature. Hit: The creature is restrained. While restrained in this way, the target has vulnerability to all damage. At the start of each of its turns, the creature can make a Strength saving throw with a DC equal to your spell save DC. On a success, it is no longer restrained.

Curse. While you wear this ring, you are vulnerable to all damage types.