Princess Azula

Azula broke out of the Psychiatric Institution a year after the war had ended, four years later she came back with an army of loyalists who wanted Azula on the throne, her base of operations is at the South-West of the North Pole and planning an invasion of the Fire Nation, Team Avatar reunited once more and with a new friend who wishes to see their new peace to never be disturbed, Team Avatar found her base and attacked Azula's army but they were out numbered and their new friend stayed behind to give Team Avatar the time they need to get away.