Undertale - All Differences in a Genocide Run [Undyne the Undying/sans fight included]

*Undyne the Undying fight at 12:30 , sans fight at 37:20 * This is a condensed video of every major (and a few minor) differences I could find between a normal/pacifist run and a Genocide run. Genocide run consists of killing every boss, event, and random enemy until there are no more enemies left in an area. Doing this makes most of the bosses die in one hit. However, 2 of the bosses (sans and Undyne) become MUCH more powerful and are the hardest bosses in the game. This run is also occasionally refer