I did it ! Finally, but i will multibattle x 2 and rest x 1. And done. But i can get heave metal princess, i will fight for 7 days and nothing... strange.
Someone get the heavy metal princess from grunt? I will try it 4 days and nothing happend. Strange. And my oponion about kobans is fight...good idea, but i think the praice will be 10 kobans not 12.