Novelette_Seeker
With her Cage Devil Fruit she could be the Jailer of the crew, leaving her in charge of the Brig. Eventually her Devil Fruit could have properties similar to that of Sea Stone and weaken all Devil Fruit users when it’s on them, but similarly it could possibly weaken Haki or Magic. Maybe it could even leave a small prison inside of her the same as Bege and his Castle Fruit.