The progression has a new home: https://castlevaniaspeedruns.com/SOTN_Record_Progression

We have starter working on filling in some information over at the wiki provided by the dudes from the CastlevaniaSPeedruns Discord. https://castlevaniaspeedruns.com/Castlevania:_Symphony_of_the_Night

While browsing the records you should also check out our SOTN Speedrun History video series presented by our Discord server The Long Library: