Stone of 100 Rencarnations (3.5e Equipment)
From D&D Wiki
Stone of 100 Reincarnations: to use this stone, you must be any neutral, and have at least 10 ranks in Knowledge (Nature). if you do not fulfill both of these requirements, the stone burns to the touch. When activated, this large stone is set into your chest. regardless of race, you get the Magical beast Subtype. you are now completely immune to polymorph. this immunity is unable to be lowered, and even wish or miracle cannot restore your form. whenever you die, you have reincarnate cast on you, except you roll on the table below for your new form. your racial variant to stats is plus or minus the stat's deviation from 10. this doesn't affect charisma, intelligence, or wisdom. you no longer lose levels when you reincarnate, but you do lose all xp progress towards your next level, or, if not at least 10% to your next level, 500 x yourlevel xp. this can result in level loss. whenever you change into a creature below, you gain their racial hit dice as your class hit dice, unless they are humanoid. no level adjustment incurs from any of these forms. while you SRD:Reincarnate, the energy of nature surrounds you, protecting you from harm. you will always SRD:Reincarnate, even when the spell says you cannot. if the stone in your chest is ever broken, however, you no longer reincarnate, but still have all of the other effects here. the stone has 20hardness, 100hp, and is immune to disintegrate. repairs to the stone cost 150 gp per hit point. if broken, you have to find another to replace it. the stone will not come out naturally. the stone doesn't take damage unless a called shot is made against it.
Overwhelming Transmutation;CL 17; Craft Wondrous Item, SRD:Reincarnate, 15 ranks in Knowledge (Nature), creator must be a druid who has been reincarnated at least once.; Cost 83790 gold, 8379xp.; Weight: 10 lb.; Market Price: 167580