Do they already have something suitable to cast that kind of portal spell on, here? She'd be kind of surprised. Not that she can't cast it on a wooden doorway or whatever, but if people are going to be carrying lots of heavy loads through it, someone's going to hit the frame hard enough to break it sooner or later, and you definitely don't want that happening when someone's walking through it. Ideally she should be casting on something both sturdy enough to take whatever damage might accidentally happen to it, and wide and tall enough that people walking through it aren't at any real risk of hitting it to begin with.
(Her solution to this back home is to run some rope between two trees, and cast on the ground-trees-rope loop as her portal frame. This is only suitable for temporary portals, but she doesn't want permanent ones there anyway.)
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Do they already have something suitable to cast that kind of portal spell on, here? She'd be kind of surprised. Not that she can't cast it on a wooden doorway or whatever, but if people are going to be carrying lots of heavy loads through it, someone's going to hit the frame hard enough to break it sooner or later, and you definitely don't want that happening when someone's walking through it. Ideally she should be casting on something both sturdy enough to take whatever damage might accidentally happen to it, and wide and tall enough that people walking through it aren't at any real risk of hitting it to begin with.
(Her solution to this back home is to run some rope between two trees, and cast on the ground-trees-rope loop as her portal frame. This is only suitable for temporary portals, but she doesn't want permanent ones there anyway.)