Stage 6 of Castlevania: Rondo of Blood is called A Nightmare Reborn or Undying Melody. It consists of a battle against Shaft and four bosses from the original Castlevania game which he summons.
- Rondo of Blood Stage 5 - The previous stage
- Rondo of Blood Stage 5' - Alternate path for previous stage
- Rondo of Blood Stage 7 - The next stage