It happened to all of us, even those not in the dungeons.

( though for a shorter period of time. she'd initially thought of it as being just an adjustment of being brought here until she'd learned about those in the dungeons )

I didn't initially have my magic when I came here, though it started returning over my first week here. Though I know those that are in the dungeons are still affected by what was done to them. A spell, perhaps, or a charged item.