User blog comment:Redkite525/Optimus Prime (Movie) vs. Teridax/@comment-422690-20120519200207

I'm going for Terry (that's Teridax to those of you who didn't frequent BS01) on this. Optimus has several nice weapons, sure, and Terry is also severely gimped due to his lack of Kraata Powers (but those would push him into god territory, so...), but his skill and mastery at manipulating shadows is paramount here. He can form shadow into anything he wishes.

Add that to the fact that even if Optimus breaks Terry's armor, he is a being of energy known as antidermis. This allows him to possess robots - like Optimus. If Optimus breaks Terry's armor, he can quite easily take over Optimus' body.