FANMADE GYM LEADERS: Elite Four- Rosalina

You had heard about the 3rd elite four member's disappearance, and you wondered who would take their place during your challenge. It turns out that your battle with the grass type gym leader awakened her true fighting spirit.
Yes, your third challenge in the Auran league is none other than the fourth gym leader, Rosalina Gracidea(Also known as Rose).
Her true talent now shines through with her battling capabilities. She has the power of the deity Tapu Bulu on her side, as well as her ace and partner, her precious Shaymin.
If you thought battling her before was hard, then you're in for a wild ride...