Link fights the last boss: Ganon. Use your sword and dodge his fire bats. When the place gets dark use your Fire Rod , hit him with your sword and uses your Silver Arrow. Congratulations you beat the game with 100%! NOTE: I speed up the end because Youtube video's limitation wouldn't upload.
The, Legend, of, Zelda:, a, Link, to, Past, Walkthrough, Part, 25, playthrough, detonado, vs, last, boss, Ganon, no, damage, end, credit