Liminal Bridge + Breath of Freedom can get her past the Bore!

In Backstage, she'll find the crystal lattices underlying Questing Country shifting their symmetries - some more orderly, exhibiting three different new patterns of order - and some more chaotic, showing two new disordered patterns.

She'd find clusters of unbound Spirit Companions working to contain and isolate these areas, apparently by singing in choirs and circling around them.

And she'd find that portions of the mountain fell right through into Backstage, right in the middle of one of the three orderly zones.