Groups need contrast. If everyone carries the same energy, the stage loses depth and the story loses friction. But contrast is not the same as confinement. The funny member must be allowed to grieve. The disciplined member can make a reckless choice. The guarded member can become the first to offer tenderness.
“An archetype should be a door, not a cage.”
I think of an archetype as a door. It gives the audience a clean first impression and gives a performer something playable. Then the room behind it must be larger than expected. Otherwise a role becomes a cage built from the first useful adjective.
For Mira, Brine, Neris, Coralline, and Sable Fin, the test is not whether I can summarize each woman in a sentence. The test is whether that sentence becomes insufficient after we know her. A strong group preserves clear silhouettes while giving every artist permission to surprise us.