From Video Game Music Preservation Foundation Wiki
Big Battle is a song that first appeared in Akumajou Densetsu (FC). It plays while you were fighting Dracula's 2nd form and a faster variation sometimes known as Boss 3, plays during Dracula's 3rd form.
Akumajou Densetsu (FC)
Castlevania III: Dracula's Curse (NES)
Castlevania: Circle of the Moon (GBA)