The Keeper's Kit for The Sassoon Files includes:

• A high-quality Keeper's Screen with original art.
  
• Large, historically accurate campaign maps.
  
• All campaign handouts, including pre-generated character sheets.
  
• The Sassoon Files themed evidence board, used as a prop aid for the display and organization of clues.
  
• Props, including paper talismans for protection and summoning spirits, a Ba Gua Battle Map, and a Chinese name seal for commanding demons.