Board Thread:Lore/@comment-26073467-20150715054105/@comment-27718380-20150715160337

To those effects yes, it still made them greedy and extended their life did it not. <- that is one of the effects of the other rings, they were not dying but being drawn into the wraith world, which took a long time. The Dwarves just died too soon to be drawn in enough to be a wraith.