One of The Fallen's Seekers charged with scouring Earth for the Tomb of the Primes, Fortress had no desire for humans to become involved in the Transformers' war. Indeed, he seems to have little appetite for it himself, engaging only in contests with his comrades, and feeling great guilt over any unfortunate consequences his actions may bring. He is a self-sacrificing type, willing to give everything of himself to right any wrongs he has done.