For the attributes of that red stone, head to the DMB Artifiacts tables and some pick 1 beneficial and detrimental features for this item - might be best to tailor it to the PC level
Similar to but different to the Diablo I narrative, because when you defeated Diablo he always dropped stuff. So, the other two also have varying degrees of corruption: one earns madness, due to embracing the corruption more but not going as far, and the other, with least corruption, gets the award for "closest to resisting" but your "nobody gets out untainted is perserved."
Similar to but different to the Diablo I narrative, because when you defeated Diablo he always dropped stuff. So, the other two also have varying degrees of corruption: one earns madness, due to embracing the corruption more but not going as far, and the other, with least corruption, gets the award for "closest to resisting" but your "nobody gets out untainted is perserved."