Useful and impressive, it may have been both things - but it all seriously drained Gabby, and she let the invisible shield disintegrate as her bones began to feel like they were turning to liquid. She grabbed Bran's shoulders to steady herself so she didn't collapse. "I'm still working on it," she gasped. "Trying to hold it longer, you know? But it's difficult."
She blew a piece of hair off of her forehead. "Anyway. That's what I do in my spare time. I've had a lot of it lately."