Easy enough; have Syrus Cure himself and join the great running away brigade. I don't expect this retreat scene to last long; once everyone (or at least everyone who doesn't like being tortured) has reached the extraction zone, we can move on.
But it's that hot, passionate hatred of Corvo that makes it so shippable, you see? PASSION, FIRE, SLIGHTLY SICKENING IMAGES OF OLD MAN/TEENAGER LOVE!
... /cringe Although Jericho is another option; will Senpai notice Syrus?