Argorok

Argarok is the final boss of the City in the Sky, Twilight Princess's seventh dungeon. Argorok is an armored, fire-breathing dragon. To defeat Argorok, you have to use your Double Clawshot to climb up onto a wall and dodge the fire that Argorok attacks you with. After he uses his attack, he will be too tired to defend himself. It's at this point that you have to attach yourself to its tail and put on your Iron Boots to bring him down to smash some of his armor off. After a few more hits he will remove all of his armor and fly even higher than normal. Once you reach the top of one of the walls with your Double Clawshot you have to attach yourself to a Peahat. Target the Peahat next to you. Just before he attacks you with fire again, move to the next Peahat in line. Keep doing this. Keep going around in a circle until you reach his back. Attach to his back and hit him as many times as you can with your sword. He will eventually fall and repeat the process again. Occasionally he will switch up his direction and you'll have to go the other way. Eventually he will be defeated, giving you a heart container and the final piece of the Twilight Mirror.