The Harmonious Crystals.

This jewels came from the Rainbow garden out of beautiful flowers a place where Hannah, Felicia, Kelly, Mackenzie, Nancy, Emily past selves made and planted this place with their magic, the crystal gave Harmony 8 the ability to transform into magical princess girls with inmense magic and this is one of the reason Lord Akuma dark ask his minnions to capture the girls and get their crystals. I hope you like it