All enemies & drop items table: https://drrak.github.io/sotn/
Enemy List with all drop items: https://youtu.be/H3CVpDJ8td0
All enemies & drop items table (Sega Saturn): https://drrak.github.io/sotn/ss/
Enemy List with all drop items (Sega Saturn, Japan): https://youtu.be/sNycEXESgOk
Drop Calculator: https://fatalis.pw/sotn/dropcalc/
Interactive map v0.20: https://drrak.github.io/sotn/map/?0,1,36
Manual PDF: https://archive.org/details/castlevania_symphony_of_the_night_english/mode/1up?view=theater