| Character | Join Condition |   | Character | Join Condition | 
 | 
  Synbios | n/a |   |   Kahn | n/a | 
  Dantares | n/a |   |   Noon | Don't kill the Kyon-shi in Quonus (battle #11) and talk to Noon in the graveyard after the Vandal battle. | 
  Masqurin | n/a |   |   Justin | Talk to him in Vagabond. | 
  Grace | n/a |   |   Horst | Talk to him in Aspia's barracks and accept his offer to transfer to Synbios' force. | 
  Hayward | Talk to him in the battle on Saraband Pier (battle #2). |   |   Penn | Talk to him in Storich after hatching his egg (see walkthrough). | 
  Obright | n/a |   |   Ratchet | Rescue him from the mansion in Quonus. | 
  Irene | Talk to her in the Railhead cargo hold (battle #6) before she dies. |   |   Frank | Push him into the Flagard HQ. | 
  Julian | n/a |   |   Hagane | Search one of the pillars in the thief map of chapter 5. | 
  Cybel | n/a |   |   Murasame | n/a | 
  Eldar | n/a |   |   Fynnding | n/a |