While I agree that it is a terrible idea for Andras to do this. I think it does entirely fit his character. The guy is a twisted ball of toxic alpha male and daddy issues. He seems like has a deep rooted need to prove he is more of a man than the guy who killed his daddy (actually just one of the guys who happened to be nearby when his daddy was killed, but Rowan is the target that he has available).
Jezera is also willing to risk the whole operation by stealing Alexia for the sole reason that she feels the need to play her little games. Look at me, not only can I manipulate his wife away, but I can do it right under his nose without him expecting a thing. And I'm so tricky and clever a that he will never ever find out. It's not like any of my plans ever don't turn out perfectly.
The game is pretty explicit that the twin's generally have a problem with self sabotage. In fact is seems to be a major reason why the forces of chaos haven't been able to secure more than a temporary victory. They just don't have the discipline to not undermine their own efforts in the long term. Hence why they needed Rowan in the first place.
This is my view on the topic as well.
While I'm not big on the NTR path, I think Andras would definitely try to bang Rowans wife just to prove his manhood over him, and completely disregard the fact by doing so, he'd ruin the only asset they hold over Rowan that keeps the dude from owning them. Same with Jezera, while she may be slightly smarter than her brother, I can see her trying to do the same just to demonstrate her intelligence and her capabilities over Rowans. Considering his predicament, I'd EXPECT Alexia to face them both constantly coming at her, and to be entirely honest, I wouldn't entirely expect her to hold off their advances. I would expect her to fall into corruption, just like Rowan kinda does during his time in this castle. What's great about this game, is that it allows players to kinda choose her ability to handle the twins and remain loyal or betray Rowan. Maybe he may even want them to believe they've owned her, so later he can use her against them, I mean the possibilities are endless lol. If I remember correctly, there's a part in the game where as she falls into corruption, her focus is still to empower Rowan. I believe another choice was so she herself could empower herself; simply control her future and those around her displaying she may try to grasp for power later.
Going nuts over the current content in this arc is crazy, considering there are endless pathway possibilities in the next arc. The fact Rowan has allies in arc 1 with power just as crazy as the twins should demonstrate that there may be ways to come back from the NTR path later, or even embrace it without it hurting, or... just cutting that relationship off later. Just let the devs dev lol.
