PS4 version of Castlevania SOTN could be based on the definitive ultimate version of SOTN (PSP version!), which could mean Maria is unlockable playable character. here are hints : r/PS4
FAQ: Castlevania Requiem (Symphony Of The Night & Rondo Of Blood) : r/castlevania
Castlevania: Symphony of the Night - Wikipedia
Castlevania: The Dracula X Chronicles - The Cutting Room Floor
Symphony Of The Night PS1 vs PSP - YouTube
130 Castlevania: Symphony of the Night ideas | symphony, art, fan art
Castlevania: Symphony of the Night (USA-PSN) PSP Eboot - CDRomance
The saturn version of Symphony of the Night has two extra sections (marked green). Does anybody know why they cut them out of the re releases like the PSP version and Castlevania
Castlevania: Symphony of the Night' unexpectedly arrives on mobile | Engadget
Castlevania SOTN - PSP version Infinity Mode Richter & Maria - YouTube
Castlevania: The Dracula X Chronicles Cheats For PSP - GameSpot
Castlevania SoTN (PSP) Maria speedrun - YouTube
Castlevania: Symphony of the Night for PSP (2009) - MobyGames
Castlevania SotN (PSP) Maria - Boss 17 Beelzebub (No Damage, No Subweapons) - YouTube