"You underestimate the strength of will inherent in an Astartes, Eldar. My armor is contempt."

He pauses in his diatribe, though, and says, "If doing this is not beyond your abilities, perhaps ascertaining the culprit and the mechanism that caused this is also not beyond them as well. If you can find a way to unravel the skein, we can set things right."

And then spend a year in penance for this heresy.