Adventure for To Kill a Mockinghag; Give the barbarian pcs a choice between hag hunting in valley, or get exact place from oracles in rhyl
The Shoulder Blades Pass over the giants steps leads past this valley – the hag has shut down some trade not by action but just by threat. This could be used later by adventurers setting up a “return of the hag” bluff scenario to extort people for passage.
All of her capabilities are designed to enhance her ability to win trust, distract guardians, and steal children for sacrifice to the dark Arch-Fey (actually it is a graven Sigil of Yog-Thul that has given her her powers on top of those of the dark faey blood of her Hag ancestry.