What is dark shard amulet 5e?

The Dark Shard Amulet is a powerful magical item in the D&D 5e game. It is a rare magic item and is a shard of black crystal that hangs from a black metal chain around the neck. The amulet has the ability to cast a Darkness spell once per day, which creates a sphere of impenetrable darkness within 15 feet of the user. Additionally, the amulet provides the wearer with resistance to necrotic damage. It is sought after by those who practice dark magic and is said to have been created by ancient sorcerers. The Dark Shard Amulet can be found in the Dungeon Master's Guide (DMG) and is a popular item among players.