Valkyrie Profile/Chapter 4

Freya's Requirements

 * Hero Value 80
 * Negotiator
 * Trick
 * Demon Int

Mode Differences

 * The character Aelia can only be recruited on Normal or Hard Modes.
 * The Cave of Thackus only appears on Hard and Normal Modes.
 * Black Dream Tower only appears on Easy and Normal Modes.
 * You can only go the Tower of Lezard Valeth and recruit Lorenta on Normal and Hard Modes.
 * The Dark Tower of Xervah is only available on Hard Mode.

Characters

 * Aelia can be recruited in this Chapter in Hard and Normal Mode.
 * In Hai Lan, the characters Yumei, Jun and Nanami may appear in either this chapter, or chapters 2 or 3.
 * Janus may be recruited from Crell Monferaigne in either this chapter, or chapters 2 or 3.

Things to Do

 * If you recruit Nanami, go visit the Pleiades Shrine in Hai Lan and Minayo will give you the sword 'Dragonbane'.
 * If you recruit Janus, go to Crell Monferaigne and visit his house. There you'll get a cutscene and the bow 'Raven Slayer'.
 * If you recruit Yumei, go visit the shore to receive the item 'Fragment of Lapis Gem'.