Through the Gates

As you take the knife off of your belt to kill her, Rina is studying her. You bring the knife toward her throat, but it won't touch it. There is a resistance about two finger-widths from her skin.
"Rina? What is the matter with her?"
She shakes her head. "I don't know. Maybe she is protected by a spell."
You sigh. Now you have little choice about what to do with her. So, you