4:01 Undertale OST - 079 - Your Best Nightmare [Omega Flowey Fight Theme Phase 1] 2:12 Undertale Yellow OST: 102 - BEST FRIENDS FOREVER 3:16 Undertale Omega Flowey Finale Theme 0:45 Megalovania is inappropriate for this kid. 10:30 Undertale - VHS! Sans Fight Full - 1 - 3 Phases 1:29 Something is definitely wrong with this battle... 10:08 Undertale last breath phases 1-3 theme 2:42 Finale - Cover with Lyrics | Undertale 7:26 Undertale OST - Your Best Nightmare + Finale (In-Game Version) 4:20 FLOWEY - DELTATRAVELER OST 5:42 Undertale- Vs Omega Flowey BOSS fight 4:11 BEST FRIENDS FOREVER - Undertale Yellow OST (SPOILERS) 9:25 Undertale Yellow OST: BEST FRIENDS FOREVER + AFTERLIFE with specimens inbetween 1:53 Undertale OST: 080 - Finale 12:31 Undertale - No Hit Asriel Dreemurr Phase 1 (Phase 2 No Deaths) 0:41 Flowey's Face Off 1:50 Villagers vs Creepers but with Undertale Finale OST 12:43 Undertale: Flowey Boss