Crystal Skeleton Key

This arcane master key is the prized possession of many an intrepid thief. Several types of skeleton key exist, each type made from a distinct material. Bone (Rare). While this key is on your person, you have advantage on ability checks made to disarm traps or open locks. The key has 3 charges. While holding it, you can use an action to expend 1 or more of its charges to cast one of the following spells from it: arcane lock (2 charges), detect poison and disease (1 charge), or knock (1 charge). When you cast these spells, they are silent. The key regains 1d3 expended charges daily at dawn. If you expend the last charge, roll a d20. On a 1, the key crumbles into dust and is destroyed. Copper (Common). While this key is on your person, you have advantage on ability checks made to disarm traps or open locks. Crystal (Very Rare). While this key is on your person, you have advantage on ability checks made to disarm traps or open locks. The key has 5 charges. While holding it, you can use an action to expend 1 or more of its charges to cast one of the following spells from it: arcane lock (2 charges), detect magic (1 charge), dimension door (3 charges), or knock (1 charge). When you cast these spells, they are silent. The key regains 1d3 expended charges daily at dawn. If you expend the last charge, roll a d20. On a 1, the key shatters and is destroyed. Silver (Uncommon). While this key is on your person, you have advantage on ability checks made to disarm traps or open locks. In addition, while holding the key, you can use an action to cast the knock spell. When you cast the spell, it is silent. The key can’t be used this way again until the next dawn.