[Xan Rockman] Item - Stonewalker's Wraps

I can tell by your fine clothes you're not looking for mundane trinkets like these — no! You're looking for something powerful and I have just the thing for someone as strong as you! Heavy and devastating wraps made by the western Yarunheim Dwarves — master of stone and craft! Wait where are you going?

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Stonewalker's Wraps
Wondrous item, very rare (requires attunement)

 While wearing these stony wraps, you have a +2 bonus to the attack and damage rolls of unarmed strikes made with your fists. These attacks become magical.

Stone Form. While wearing these wraps, you can use a bonus action to cast stoneskin on yourself once without providing material components, and regain the ability to do so when you finish a long rest. The spell manifests as a thin sheath of stone over your skin. While you have the benefits of stoneskin cast from these wraps, the bonus to your unarmed strikes increases to +3. 

Stone Cage. Over the course of 10 minutes, you can press your hands against a suitable stone surface and cast meld into stone, provided you are wearing these wraps. 

Curse. These stone wraps are cursed and long to reunite with stone to find rest. While you are under the effects of stoneskin cast from these wraps, you automatically attempt to cast meld into stone on any suitably large stone surface you touch. The wraps cast this spell for you without your knowledge. If the spell succeeds, you are pulled into the target stone as if you had casted the spell.  Once you have entered stone through the use of a meld into stone spell cast from this item, you must succeed on a DC 22 Strength check whenever you try to leave it. If you fail this check, you cannot attempt to exit the stone material for another 10 minutes. If you are still inside stone when the spell ends, you are expelled from the stone and take 4d6 bludgeoning damage.