The Warpstone Hand:
The hand is a mutation and is made from a fluid that is extracted from a green mixed with yellow type of stone that goes by the names; Witch Stone and Wyrdstone or more commonly known as Warpstone. It's a resource mostly used by Skaven (a rat like humanoid race). In Skaven society, warpstone is mostly used as a currency and/or a food source. Some tend to use it for magic purposes or use it in research.

Arcane Focus:
You can use the hand as an arcane focus.

Resistance:
You are resistant to poison damage.

Melee Attack:
When you use your hand on purpose or accident, the creature you hit or touch has to make a CON save of 15. On a failed save it takes (2d6) Poison damage, (2d4) Piercing damage and (1d8) Acid damage or half as much on a save.
On a failed save the target is considered poisoned for 1 minute or 10 combat rounds. The target can make a saving throw on the end of it's turn, on a failed save it takes (1d6) extra poison damage. On a save, the poisoned effect ends and the target is no longer considered poisoned.

Spells:
- Once a day you can cast the spell, "Detect Poison and Disease". No spell slots or components are required. It takes 1 action to cast and lasts for 10 minutes, concentration is required.
- On 9th level of the Wizard class, you can cast "Contagion" at a 5th level spell slot or higher. The spell doesn't need to be prepared.

Notes: Resistance: Poison, Damage: Poison, Damage: Piercing, Damage: Acid, The Warpstone Hand requires true attunement by any class/race.