Ancient Amulet

A black iron amulet with an amethyst carved into the center, its iris piercingly bright. To attune to this item you must bleed onto it, at least 10hp of your own blood. While attuned to this item you gain access to the following spells : Lightning Lure, Chaos Bolt, Clairvoyance and See invisibility. You cannot use these spells unless you can cast them with spell slots separate from the item.