Power, focus, effect. He remembers that, remembers arguing with Cassie over the proper use of magic, remembering how much he disliked using it, being afraid of it, wary, it's so dangerous, look what it's done to him, look how it's ruined his life--

--but he also needed to beat it, and there were only a few ways of beating it.

Jacob's steps falter when Flynn gives the order, he can feel his muscles starting to obey but no--they can't this time, they can't--his tattoos flare up but they can't stop him either because he won't let him--

--come on, Stone, you can do this--

--gotta save Jones gotta save Jones GOTTA SAVE HIM--

NO!

He pushes at the connection that's threatening to stop him, feeling Flynn's strange emotions--he'd never felt Flynn this upset before, he seemed so surprised it was working--hell, Jacob was surprised it was working--

--but he pours all of his love for his friends and the Library and especially Jones into the connection--