I really don't feel like explaining it cause the character just fucking does so themself in the game so I'm gonna copy and paste that.
You then have a choice and one of them is to ask Kas to just lays down her arms and just live with you, says she can't even with both the anti corruption rings due to being a demon but she wants to try. And she goes into that she doesn't care about conquering Khor'minos, if she wanted to she would've before we got there(kinda like the Winter Palace) and says she's got a soft spot for Minotaurs.