Oblivion

Her foot hit something that almost caused her to fly face forwards in the sand, but she caught herself on a piece of wood from an old, washed-up ship. She looked down to see a clear glass bottle with some paper inside.
Cybele quickly grabbed it up and opened the cork. Then, she tilted the bottle to let the paper drop into her icy palm.
She opened it up with shaky hands.

You never told me your proper name, sweets.

She knew it was from her merman savior, Lethe.