/Could David potentially exclaim something like "Torvar! I am your commander, and I order you to bla-bla-bla!", thus invoking his commanding ability? Or can't he?/
He can.
He needed to bring Agatha back to her senses. Looking around, the wanderer noticed a stream flowing in the distance.
"Well, your part of the deal is done," David said to the stranger, "now we're heading to the theocracy. Sirkhan, Torvar, let's go."
After saying goodbye to the red-eyed blonde, the wanderer picked up the girl and the group set off.
...
The cold water should have had an effect.
"Agatha, can you hear me? How are you feeling?"

В тихой однообразной жизни всегда так бывает: каждый отдельный день бесконечно долог, но месяцы и годы мчатся с непостижимой быстротой.
I wanted to offer you some flowers, but a crown would suit a princess like you much better
Смысл жизни в том, что жизнь на тебе не заканчивается