In the final months of the Hundred Year War, the Zhang leader hoped to cross the Great Divide with her tribe to find refuge in Ba Sing Se. When the Zhangs arrived, they found that a member of the Gan Jin tribe had already "reserved" a trip across for his party. When the rest of the Gan Jins arrived, it was decided by Avatar Aang that the two groups would cross the Great Divide together while the Zhangs' sick and the Gan Jins' elderly would fly across on Appa. Before embarking on the journey, the canyon guide warned the groups to dispose of any food, fearing it would attract canyon crawlers.