>>528044492
No, that's not what that ending slide says. There's another one that does it though. This one states that he cannot die because he has not been released from his duty. Too loyal/dutiful to die.
>>528044613
Yes, Aeon. Regill is conditionally loyal if you competently fulfil your duty as the Knight Commander of the 5th Crusade. He will betray/overthrow you if you fail in your duty. Abelard is a ride or die bro no matter what.

But yes, they're both absolute chads. Here's the full ending slide.