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 |