Margaret felt like a puppet, her body not obeying, the areas entangled with pain.
She opened her mouth, her voice somewhat hoarse, "It... It was taught by someone else."
That 'someone else' was, in fact, Saint Sebastian. In the future beyond the sixteenth century, Margaret, studying spells from Feria's magical scrolls, learned the technique of illusion by bargaining with the demons imprisoned in the "cage" plane.
"I see." Kara's smile was faint, her fingers brushing against Margaret's tense jaw, applying slight pressure. "So, what should we do? You've seen what you shouldn't have seen, you should've disappeared. But I'm very interested in your spell..."
The red lines around Margaret's neck grew hotter.
As if one wrong move would sever her neck.
She was forced to tilt her head back, suppressing her breath, speaking softly, "I... I can teach you. If you're willing... I never came here today, never saw you."