This is a template for makeing <items> of suffering. This is an <item> that, when the holder kills a creature, the <item> absorbs parts of the soul such that the nothing short of true ressurection or wish can bring the one who was killed back to life. Once the item has absorbed a sufficient amout of souls it can be changed to another magic item. Which items this can transform into are left as an exersise to the DM.
one can be created by sacrificing 1 person every week for 1d100 weeks.
Per detect magic this item has a strong aura of Necromancy.