"It's important to know. He needs the information." Nell waved off the Director's potential ire. He might be annoyed, but it was a desk. They needed to know what Eric could do and Nell's assistance was limited by how well she could...or couldn't...get around still.
Shrinking the knife was definitely not expected, but it did prove he was manipulating an outside force just like she and April did. Not gravity, though. Definitely not gravity. Humming thoughtfully, she nodded. "Density sounds most likely. Interesting." She sighed when the knife went back to normal. Hetty had given it to her and Nell didn't want it changed permanently. "You probably can. I needed this." She held up her hand so he could see the paperclip she still wore wrapped there. "It helped me focus and pull the energy in. You're the opposite, it's all inside you, but with a little work, I'm sure you won't need the physical connection any longer. You might try manipulating the density of the air to start. Then move out from there. Carefully," she admonished, having a sudden horrifying mental image of him accidentally suffocating himself. "With someone around just in case, maybe."