Ring, Very Rare, 55,000 gp
(Requires Attunement)
While wearing this ring, you regain 1d6 HP every 10 minutes, provided that you have at least 1 HP. If you lose a body part, the ring causes the missing part to regrow and return to full functionality after 1d6 + 1 days if you have at least 1 HP the whole time.