Question about Korilla in Act 3

[Artemis]

Is there any point using non lethal on her during the Raphael fight? Will the game care or is she just meant to die?

[RhodosGuard]

The game itself is lampooning the fact, that "non-lethal" is just there so paladins dont break their oaths for killing.
Read the

"Knocked Out"
TOoltip
At the end it says "A knocked out character will disappear after your next long rest"
So it's barely any different to just killing.
It doesnt even register for quests.

I tried knocking out Minthara instead of killing her in the Goblin camp and the game was like "yep you killed her. SHe ded"