Yeah I agree, T'Challa is definitely more Anti magic built when it comes to combating such things. Shadow physics (in terms of how T'Challa has used...
I would be surprised if they do explain "Calypso", but in "Facing the Strange" they did touch on it, and I'm guessing that Zora wondering if she was...
Yeah it's a horrible situation anyway you swing it, that's why I think Bastion wanted him to escape and left Val with him despite not being surprised...