Glimmer's route runs Night Garden → Hunter's Cabin → The Bog → The Drains, then opens up. After that, family rescues and Golden Feather events can be done in almost any order until you have 7/7 and Queen's Castle opens. Pick the fight or section you're stuck on.
Night Garden and Hunter's Cabin
The Bog
The Drains
Graven Valley
Midnight Drench
The Lookout Tower
Autumn Forest
The Docks
Rebuild Looter
Queen's Castle
After the Queen
Key items: Elevator Parts, Golden Feathers, Looter Parts.