Whoa--!

[it takes all of her willpower to stand still while the spacial distortion plays at her ankles. this was soooooo weird!! and when he's finished casting the spell, she lifts a foot and takes one step forward. a test to see exactly what changed]

You can. . . alter gravity in a space?

[it might be magic, but even her scientific mind is impressed by that concept]

Just like that? I don't even want to think about how many laws of physics that ability breaks.