Wow. I wake up in the morning and you guys have been busy!
The Keeper is 11.5 inches away from the Knights. It does not have Swiftstride. We have a 1.5 inch advantage on the roll...plus we have Swiftstride.
Fleeing will not take us off the table- even if we roll a 12. When I moved the Knights, they did a swift reform and pushed backwards away from the edge- so the Keeper's center point and their center point are pretty much parallel to the edge. If the Knights Flee, they pivot directly away from the Keeper and so will not inadvertently run off the table.
Personally, I think no matter what, the Knights have to run. Can't have the Keeper regaining any wounds at this point.Does the KoS regain wounds from the spell too?
No- only regains wounds in close combat.