Elektra dropped her hands to her sides. "No? Well, fuck." Neville not being able to speak was bad enough. His not being able to hear or decipher her attempt at sign language was worse. The former only made him a subpar ally. The latter turned him into a liability.
She yanked her blade free of the wall, considering the options on the table. She could try to draw him a map in the dirt so he'd have a better chance of finding his way out of here. He might remember and understand, or he might. Even if he did, he hadn't heard the rat Elektra had just killed; it was very likely he wouldn't hear other threats.
So what if he doesn't? He's not my problem.
Elektra hadn't come down here to retrieve him. But she had been down here for what felt like hours and Neville might know something useful. All she needed was a way to get him talking.
She eyed his wand. "You're a wizard and you've got wizard friends. Let's see if they can't fix you." She pointed to him, then herself, then gesture down the tunnel she'd emerged from. "Come with me if you wanna live... Huh. Always wanted to say that."