1. Lucy Heartfilia
2. Erza Scarlet
3. Mirajane Strauss
4. Wendy Marvell
5. Irene Belserion
6. Ultear Milkovich
7. Cana Alberona
8. Mavis Vermillion
Although, this is the final list I could maybe as the story progresses change or replace but the number most likely won't increase.