Farm Realm Shard

Rare

Far Realm Shard wondrous item, rare (requires attunement by a sorcerer), , Value/Weight: 1 lb. Details: This writhing crystal is steeped in the warped essence of the Far Realm. As an action, you can attach the shard to a Tiny object (such as a weapon or a piece of jewelry) or detach it. It falls off if your attunement to it ends. You can use the shard as a spellcasting focus while you hold or wear it. When you use a Metamagic option on a spell while you are holding or wearing the shard, you can cause a slimy tentacle to rip through the fabric of reality and strike one creature you can see within 30 feet of you. The creature must succeed on a Charisma saving throw against your spell save DC or take 3d6 psychic damage and become frightened of you until the start of your next turn.

Periapt of Proof Against Poison

Rare

"Periapt of Proof Against Poison This clockwork wristband consists of a hexagonal prism containing three miniature hourglass shaped needles. The emerald hourglass functions as a Periapt of Proof against Poison. The black sapphire hourglass acts as a timepiece. The moonstone hourglass allows its bearer, while underground, to sense their depths below the surface and the direction to the nearest staircase, ramp, or other path leading upward.