The more I read the more they sound like humanoid Tyranids. Consume everything to make it strong and one within the Hive Mind. The Hive Mind exists on a plane far beyond the general Tyranid Organisms as a psychic collective representing an irrepressible need prove its right to survive and evolve.
English
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Is that a 40K reference I spot?
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..... it's not so much a reference as a direct comparison.