[Sephiroth could warn her that she might be in for an unkind surprise, no matter how hard she focuses. His own functioning magic had been stifled, and that had been in regards to materia, not an innate part of oneself now suddenly severed.

But he deigns not to interrupt, instead waiting to see if she senses anything helpful, anyhow — if she’s here, that means that she’s a witch or a monster. And both are considered magical in their own right; one brimming with it, the other a representation of it made physical, in a way. But with the look of surprise now dawning on her face, he assumes that she’s reached inward, only to find a void where none had been before.

No doubt a jarring revelation. His lips thin a little.]

Your magic went missing? That’s normal for this world.

[Before she starts yelling again.]

Innate, magical abilities are replaced by what this planet has to offer us, instead. But it might be too early for it to be useful for you.

[After all, she did just… literally arrive here. It was worth a try.]