[Okay yeah, Elsa looks horrified. Not... because of anything he's talking about doing, but the bit about getting his heart stolen... she's seen what happens to people whose hearts are messed with by magic, she can still vividly remember clinging to the icy form of her sister out on the fjord that cold summer day... god, but living with that kind of pain? She can't even imagine it.]

That's horrible....

[Amid the horror, there's... sympathy, on her face? He doesn't seem like that bad of a guy, so she can only feel for him, going through something traumatic like that.]

I... I can't really judge if what you did was right or wrong, but I understand very well what it's like to do things you might question later out of desperation.