The staff itself doesn't seem to be charged, specifically, with any spells besides the ward-drawing. Instead it's more like a conduit, improving the casting of warding and barrier spells.

Yuya stuffs his hands in his pockets as he watches the screen. Nope, still not illuminating, so his gaze starts to blur as he loses focus on everything except the moving colors, staring with a dull expression. It's a good thing he has friends a lot smarter than him.

"Oh. What else is it telling you?"