Sorrow-filled Goblin {Erethes}

Obligatory short article. Sorrow-filled Goblins are just like normal goblins in almost every way, Except for a few key differences. They normally only come in Pure Uruk colors, Unlike pure goblins. They are taller on average, With longer limbs, and higher pain tolerance.
Goblins become "Sorrow-filled" as a ritual. One goblin will be selected every five years to "Take on the pain of the Tribe", Where they will be embedded with multiple meat hooks, spikes and various sharp objects meant to cause pain. Any goblins selected in this process will remain a "Holder of Pain" until they die, In which a new holder will be chosen. This process is magical, And will often cause the goblin to drastically change appearance.
While this process may seem extremely painful and frightening, Many goblins relish the thought of being able to go through this, And many goblins after the process don't seem to bothered by their various wounds. Nobody is really sure if this is because they don't really feel it, or if It's due to their willpower.