[She's only got a single knife herself, but to hell with weapons when you have spells! Speaking of, that's a nice one you have there Flynn, she knows it well.
Sadly though, these guys are a little more sturdier than your average monsters, so she focuses the Second Fonon for a moment, infusing the forming arte with Earth-- crystallizing the brilliance into hardened quartz that skewers a handful of sentinels before shattering with impressive force]