This is a tool-assisted speedrun. For more information, see http://tasvideos.org/3289M.html
Of all the challenging ways to play Legend of Zelda that people have attempted on a NES console, one of the most famous is the "swordless" challenge. In this challenge, the player must beat all of the game, up until the final boss Ganon, without using a sword. It is not possible to damage Ganon without a sword however, so many swordless runs reach Ganon's room to die there.
In order to