Castlevania: Rhapsody of Ruin is a semi-canonical sprite fight between Alucard and Richter Belmont within the Symphony of the Night timeline.
Conceived and published in 2008 to NEWGROUNDS - where it achieved Daily 2nd Place and remained top of the Castlevania Category for almost a decade.
The original flash was 300p @ 25FPS. Now, it can finally be viewed in 1080p @ 60 FPS.