-Souleater-
This was done for conceptart.org's "Creature of the Week" weekly competition.
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The souleaters of Hell have no affiliation with with the ruler or its army, however they play an important role. Hell is not infinite, and despite what is read, not all of the damned remain there for eternity. After eons of suffering, a buildup of excess souls needs to be dealt with, and it is then that the souleaters devour the eldest of the damned. When the time comes, the souls who are to be devoured are lined up and fed to the near immobile souleaters. They feed until the "soulsack" beneath their mouth is full...and it is there that the souls feel the most agonizing pain of their time in Hell....one last time.