This instantly reminded me of Halo's Mgalekgolo a.k.a hunters, which are actually an unintelligent worm-like life form (Lekgolo) that aggregate as a collective

This instantly reminded me of Halo's Mgalekgolo a.k.a hunters, which are actually an unintelligent worm-like life form (Lekgolo) that aggregate as a collective (a colony) into an extremely resilient, strengthful, nimble, and smart humanoid body. https://halo.fandom.com/wiki/Mgalekgolo https://halo.fandom.com/wiki/Mgalekgolo