The Way Water Remembers (JELSA)

After becoming the fifth spirit Elsa had the access to all of the memories through her connection with the water element.

Finally, one day she heard of a certain being that had excisted for a long time. Finally she is about to discover the mystery source of that sound that kept calling her with the voices from her heart.

Nightlight.
"Nightlight, bright light,
Sweet dreams I bestow.
Sleep tight, all night.
Forever I will glow."