I am looking for the Lady With A Fan.

Sapphire saw the jagged, ripped edge of black cloth and immediately knew what had happened with Finn and his Invisibility Cloak.

...By the time they saw the walls of Constantinople in the distance, it was dawn.

When they landed, the group found themselves sitting on a silver beach with silver sand.

The girls took Finn's Invisibility Cloak and Ruby's stone into the cave and sat down in a small circle to find Hazel's long-lost brother.