Primary

• Sage Harpuia Servant of X
• Sage Harpuia Servant of Copy X
• Sage Harpuia Rival of Zero
• Sage Harpuia Teammate of Fighting Fefnir
• Sage Harpuia Teammate of Fairy Leviathan
• Sage Harpuia Teammate of Hidden Phantom

Extended

• Zero Friend of X
• Zero Teammate of Axl
• Zero Enemy of Sigma
• Copy X Clone of X
• Copy X Created by Ciel
• Copy X Enemy of Zero
• Copy X Master of Sage Harpuia
• Copy X Master of Fighting Fefnir
• Copy X Master of Fairy Leviathan
• Copy X Master of Hidden Phantom
• X Friend of Zero
• X Friend of Axl
• X Teammate of Alia
• X Enemy of Sigma
• X Enemy of Vile
• X Master of Sage Harpuia
• X Master of Fighting Fefnir
• X Master of Fairy Leviathan
• X Master of Hidden Phantom
• Fairy Leviathan Servant of X
• Fairy Leviathan Servant of Copy X
• Fairy Leviathan Rival of Zero
• Fairy Leviathan Teammate of Sage Harpuia
• Fairy Leviathan Teammate of Fighting Fefnir
• Fairy Leviathan Teammate of Hidden Phantom
• Fighting Fefnir Servant of X
• Fighting Fefnir Servant of Copy X
• Fighting Fefnir Rival of Zero
• Fighting Fefnir Teammate of Sage Harpuia
• Fighting Fefnir Teammate of Fairy Leviathan
• Fighting Fefnir Teammate of Hidden Phantom
• Hidden Phantom Servant of X
• Hidden Phantom Servant of Copy X
• Hidden Phantom Rival of Zero
• Hidden Phantom Teammate of Sage Harpuia
• Hidden Phantom Teammate of Fighting Fefnir
• Hidden Phantom Teammate of Fairy Leviathan