The Heartiel Brooch is a stronger version of her previous abilities, and is also Lulun's powerup form.

Its obtained in episode 30 of Futari wa Pretty Cure Max Heart. She changes from her Miracle Commune form.

The Heartiel Brooch allows Shiny Luminous to create a barrier around herself for protection.

It is a simple heart shaped broach with light yellow decorating and rose pink coloring inside with a golden heart piece in the center. It is located at the very center of the white-pink bow on Shiny Luminous' chest. Much like a typical broach.