As S-Rank clears are required for the best ending in episode 1, the S-Rank criteria can be seen in parentheses () next to the act numbers for each chapter.
Chapter 1 - Spreading Wings
!style="width:375px"|Dialogue
! colspan="2" |Act 1 (Clear within 20 minutes)
|You some kind of expert or something?
|Actually, I do believe you.
! colspan="2" |Act 1 clear
|What happened to the girl I was with?
|You could cut her a little slack.
! colspan="2" |Cutscene 2
|I was watching you sleep.
! colspan="2" |Cutscene 4
|(Talk to Emilia) What do you want to do?
! colspan="2" |Open mission clear
Chapter 2 - Destroyer in Black
!style="width:375px;"|Dialogue
! colspan="2" |Act 1 (Avoid all Kasch traps)
|Let's just finish this mission.
|I'm more worried about the village.
! colspan="2" |Act 2 (Clear within 15 minutes)
! colspan="2" |Cutscene 2
! colspan="2" |Cutscene 3
! colspan="2" |Cutscene 4
|Glad you had a change of heart.
|(Talk to Emilia) Why would Kraz be accredited?
! colspan="2" |Open mission clear
Chapter 3 - Hope by Design
!style="width:375px;"|Dialogue
! colspan="2" |Cutscene 1
|She's telling the truth.
! colspan="2" |Act 1 (Defeat all 80 creatures)
! colspan="2" |Act 2 (Clear within 20 minutes)
! colspan="2" |Cutscene 2
! colspan="2" |Open mission clear
! colspan="2" |Cutscene 2
! colspan="2" |Cutscene 3
! colspan="2" |Cutscene 4
|Tres lame, as Chelsea would say.
! colspan="2" |Cutscene 6
|He looks pretty serious to me.
|Then let's get to "training!"
Chapter 4 - Happy Birthday
!style="width:375px;"|Dialogue
! colspan="2" |Cutscene 1
! colspan="2" |Act 1 (Clear with 15 minutes remaining)
|Just now, you were like Yut's big sister.
! colspan="2" |Act 2 (Lose no terminals)
! colspan="2" |Cutscene 2
! colspan="2" |Open mission clear
|You're certainly in a good mood.
|(Talk to Emilia) You look just like Emilia!
Chapter 5 - An Encounter Across Time
!style="width:375px;"|Dialogue
! colspan="2" |Cutscene 1
! colspan="2" |Cutscene 2
! colspan="2" |Act 1 (Clear within 15 minutes)
|You might be on to something.
! colspan="2" |Act 2 (Rescue all 23 people)
! colspan="2" |Cutscene 3
|Go on, tell him, Emilia.
|(Talk to Emilia) Pretty apt.
!style="width:375px;"|Dialogue
! colspan="2" |Cutscene 1
|Emilia deserves the credit.
! colspan="2" |Act 1 (Earn 1,000 points)
| colspan="2" |There are no dialogue options in Act 1
! colspan="2" |Act 2 (Earn 1,000 points)
|You need to shape up, Lumia.
! colspan="2" |Cutscene 3
! colspan="2" |Open mission clear
Chapter 7 - What Really Matters
!style="width:375px;"|Dialogue
! colspan="2" |Cutscene 1
! colspan="2" |Act 1 (Defeat all 57 SEED-forms)
|Yut knows what he's doing.
|What's the bigger problem?
! colspan="2" |Act 2 (Clear within 12? minutes)
|We came to bring you back.
! colspan="2" |Cutscene 2
! colspan="2" |Cutscene 3
|(Talk to Kunoh) Why were you so worried?
! colspan="2" |Open mission clear
Chapter 8 - Prologue to Despair
!style="width:375px;"|Dialogue
|(Talk to Emilia) Your lips complain, but your eyes smile.
|(Talk to Kunoh) You were with the Guardians?
! colspan="2" |Cutscene 1
! colspan="2" |Act 1 (Search 100% of the area)
|Weren't you too hard on him?
|No more "wanting to die" talk, 'kay?
! colspan="2" |Act 2 (Clear within 12 minutes)
! colspan="2" |Open mission clear
!style="width:375px;"|Dialogue
! colspan="2" |Cutscene 1
|Stand out in front of Emilia.
! colspan="2" |Cutscene 2
! colspan="2" |Cutscene 3
! colspan="2" |Act 1 (Clear within 13 minutes)
| colspan="2" |There are no dialogue options in Act 1
! colspan="2" |Act 2 (Clear within 25 minutes)
|Now that's a load of nonsense.
! colspan="2" |Cutscene 4
! colspan="2" |Cutscene 5
Chapter 10 - Save This World
Dialogue options in Chapter 10 do not affect the friendship level towards Emilia.
Side story completion is not necessary for the best ending, but there are up to an extra 60 friendship level points available.
!style="width:375px;"|Dialogue
! colspan="2" |Wayfarer in White
|Think you might know who sent it?
| rowspan="2" | +4<ref>Only one dialogue option between these two will be presented, dependent on if the character being played has been imported from ''Phantasy Star Portable'' or not.</ref>
|I have no idea what you're talking about.
|Were you Yut's teacher or something?
|I think I know what you mean.
|Wouldn't expect to hear that from a cast.
!Points from Wayfarer in White
! colspan="2" |Crimson Warrior
|She doesn't seem like she's lying.
!Points from Crimson Warrior
! colspan="2" |Heroes' Ronde
|If there's any chance, we have to take it.
|Don't get all bent out of shape.
!Points from Heroes' Ronde
!Points from side stories