Board Thread:Suggestions forum/@comment-32865299-20170909170357/@comment-32705314-20170910000236

"Anything actually mentioned in Tolkien's writings on Middle Earth that would still be present in the Third Age, including all races, factions, characters, regions, structures, weapons, food and non-food items, animals and plants as these are all planned already and have been suggested far too many times before."

That is an excerpt from the What Not To Suggest page.