It's clear what must be done, <race>. She WILL be saved.
I must remain here and aid in the rescue preparations. I call upon you again; this time to collect the prison key. All we know of this Salrand figure is that she cannot be harmed so long as her shield is intact.
We've customized a special explosive that should strip her of this protection, allowing you to perform your duty. Return to me when you've collected the key.