Unlock the following characters by performing the corresponding tasks:
HOW TO UNLOCK
To have Balthier join your party, have Mustadio in Chapter 4. After Bervenia, go to the mining town of Gollund. At the tavern, read the "Rash of Thefts" rumor. Go to the merchant city of Dorter. At the tavern, read the "A Call for Guards" rumor. When you leave the city, a battle will start. Win the battle with Balthier's help, and he will join you."
To have Beowulf join your party, have Mustadio in Chapter 4. Go to Goug, and read the rumor at Gollund. Go to Lesalia, and invite Beowulf to Gollund. He will join your group after a series of battles.
To have Cloud join your party, have Mustadio in Chapter 4. Go to Goug After Zeltennia. Return Reis to human form, then go back to Goug. Go to Sal Ghidos, win the battle, and Cloud will join your party.
To have Constuct 8 join your party, have Mustadio in Chapter 4. After rescuing Reis from Gollund, return to Goug. Construct 8 will join your party after an intermission sequence.
Have Mustadio in Chapter 4. Accompany Beowulf through Gollund. Reis will be rescued during the final battle in the series.
Have Mustadio in Chapter 4. Read the rumors at Zeltennia, buy a flower in Sal Ghidos, then go to Goug. Go to Nelveska Temple, and win the battle. Reis will turn into human form afterwards.
To have Byblos join your party, have Mustadio in Chapter 4. Beat all ten levels of Midlight's Deep, and The Byblos will join your party.