This is my save file. I think I got most of the slaves I could run into. For some reason I could not get Victoria or Reese to spawn. Not sure if I missed anything. Not sure if I missed any other characters.
Edit: AppData\Roaming\Stencyl\Adventure High Fixed
Is where you put it in.
Victoria: Spawns by
either being far along on the Heroic route OR by enslaving 8 characters.
Reese: as a guy, spawns by visiting floor 16 and
instantly leaving. He then spawns in the school hallway.
Reese: as a girl, you need Cassandra + Sarah in normal personality and brought to the dungeon. Watch the scenes involving them chatting and agree to chat with Cassandra.
Head to the item shop (if Molly isn't fired, otherwise streets) and agree to track down Cassandra. Head to the lake and watch the scene.
Visit the streets/lake multiple times for various scenes - at the lake, you'll be given the option to pull on a rope. Once you see that one, head to the item shop and then back to the lake and chat with Cassandra.
Tell her "same here" for a small affection boost and then head to the lake and hide with her. Cast Suppression when prompted (end of the scene).