>>46992594Normally the challenger picks which one they battle. Bea was out training when the protagonists showed up, so they had to battle Allister. When Marnie showed up, Allister was out with the protagonists, so Marnie was forced to battle Bea. Taking on a fighting type gym leader with a dark type team couldn't have been easy. And then Schilly got what she wanted, since her entire plan consisted of spamming Bite on Allister's team.
