Shu was killed in the war between their villages , and from her grief , Oma displayed her potent earth - bending powers .
Instead of destroying the two villages , Oma declared the war between them over and together they build a city where they could coexist .
Shu was killed in the war between their villages , and from her grief , Oma displayed her potent earth - bending powers , but instead of destroying the two villages , she declared the war between them over and together they build a city where they could coexist .