Who does Ender team up with in the battle room?

In the battle room, Ender Wiggin teams up with several key characters, including Alai and Bean. Alai becomes one of Ender's closest friends and allies, while Bean, a highly intelligent and strategic thinker, proves to be a valuable partner in their tactical maneuvers. Together, they work to outsmart their opponents and develop innovative battle strategies, helping Ender to Excel in the rigorous training environment.