Kingdom Hearts (series)/Trivia

Seven and thirteen

The numbers seven and thirteen frequently reoccur throughout the Kingdom Hearts series. Seven is closely associated with light, while thirteen is associated with darkness.

Overarching

• There are seven pure lights, the Princesses of Heart or New Seven Hearts.
• There are seven protectors of light, the Seven Guardians of Light.
• There are thirteen pure darknesses, the ancient entities known as Darkness.
• The χ-blade shattered into seven pieces of light and thirteen pieces of darkness.
• There are seven Lost Masters, The Master of Masters and his six apprentices.
• There are thirteen main members of Organization XIII and the real Organization XIII.

Kingdom Hearts

• The Keyhole in Neverland is located at the thirteen minute mark on Big Ben's clock face.
• Sora can learn seven types of magic spells.
• The Ars Arcanum attack consists of thirteen strikes.

Kingdom Hearts Chain of Memories

• There are thirteen floors and thirteen basement levels in Castle Oblivion.
• The Room of Beginnings in Castle Oblivion requires cards with the values 1 and 3.
• The final Unknown Room in Castle Oblivion requires cards with a cumulative value of at least 13.

Kingdom Hearts II

• Roxas spends seven days in the Simulated Twilight Town.
• Roxas lands seven hits on DiZ's computer.
• It takes thirteen hits to defeat Seifer in the first match.
• Riku's Eternal Session Limit includes an ability named "XIII Blades".
• Synthesizing the Ultima Weapon requires thirteen Orichalcum+.
  • There are a total of seven Orichalcum+ in the game, exactly the number needed after using an Energy Crystal.
• The Fenrir Keblade has a strength increase of seven, the highest in the game.

Kingdom Hearts II Final Mix

• Using the Restore Count Reaction Command against Marluxia restores the hit counter by thirteen points.
• There are thirteen members of Mushroom XIII.
• The Centurion staff has a strength increase of thirteen, the highest in the game.
• The Winner's Proof Keyblade has a magic increase of seven, the highest in the game.

Kingdom Hearts Re:coded

• There are a total of thirteen System Sectors.
• The final System Sector has thirteen floors.
• There are seven music tracks introduced in this game.

Kingdom Hearts 358/2 Days

• Roxas's first real mission with the Organization is Mission 7.
• Luxord can wield a deck of Cards named Finest Fantasy 13.
• There are thirteen music tracks introduced in this game.

Kingdom Hearts Birth by Sleep

• There are thirteen matches in the Mirage Arena.
• Vanitas is fought seven times across all three campaigns.

Kingdom Hearts Birth by Sleep Final Mix

• The sum of the time on the No Name Keyblade, 8:05, is equal to thirteen.
• Once the Unknown fight is unlocked, the Land of Departure has a combat level of thirteen.

Kingdom Hearts 3D: Dream Drop Distance

• Sora is "Combatant thirteen" when he faces Rinzler in The Grid.
• As with the No Name, the sum of the time on Young Xehanort's Keyblade is equal to thirteen.
• There are thirteen types of Training Toy candies.

Kingdom Hearts III

• There are a total of seven Orichalculm+, all of which are required to synthesize the Ultima Weapon.
• The box art, Gathering, shows thirteen main characters.
  • The clock tower in Gathering displays thirteen hours on the clock.

Kingdom Hearts III Re Mind

• There are seven lights on the chandelier in the Garden of Assemblage.

Other

• There are thirteen musical tracks whose titles contain the number thirteen.
• There are thirteen letters in:
  • "Kingdom Hearts"
  • "Light" and "Darkness"
  • "End of the World"
  • "Hollow Bastion"
  • "Radiant Garden"
  • "Sora", "Riku", and "Kairi"
  • "Sora", "Roxas", and "Xion"
  • "Roxas", "Axel", and "Xion"
  • "Terra-Xehanort"
  • "Ventus-Vanitas"
• The Director's Secret Report XIII is a thirteen-part exposé by Tetsuya Nomura.
• As of the 10th anniversary of the series, there were seven main games.
• As of the 20th anniversary of the series, there were thirteen main games.

Kingdom Hearts Magical Puzzle Clash

• The orange token is unlocked upon reaching level seven.
• The purple token is unlocked upon reaching level thirteen.

Kingdom Hearts Trading Card Game

• A player wins the game if the value of their World Cards totals thirteen.