Nice way to bring the plot together. I wonder if they're going to bring the island back down somehow? And adding a third side to the conflict does make things a little more interesting, not just the same series of fights against really strong enemies. I'd buy that the south birds saved Gan because they liked him or he helped them in the past. Or that Chopper became friends with the bird they brought with them, since he can speak to animals, so that bird got the others to help him out.