1:57 Deltarune - Song That Plays When You Fight Sans [fantrack] 1:46 Song That Plays When Somebody Verses Sans (Pacifist Sans Fight) - Undertale 10th Anniversary OST 4:18 Undertale - Megalovania | EPIC VERSION (10th Anniversary Edition) 2:52 Seventh Soul Sans Battle Theme [Animation] 3:28 【UNDERTALE The Last 27 Hours】Qualifie -Shop SANS Fight (Official) 12:26 Undertale (SPOILER) | Sans Battle with the song that might play when you fight Sans [FULL FIGHT] 2:41 100. MEGALOVANIA (UNDERTALE Soundtrack) - Toby Fox