Undertale: Timeline Collapse (Boss Sound Track: Battle Against the Destroyer)

If the Error Sans Boss had 3 phases normally instead of 2 and an alt Phase 2 I believe This Would Be Fitting (All Themes Belong to There Respective Owners) Theme names and Starts: 0:00 Phase 1: Starting Point Of Error 5:42 Phase 2: Psychostasia 8:43 Enraged Phase 2: System Shutdown