What Makes the Sky Blue/Story
| Event | Story |

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What Makes the Sky Blue - Opening
Lyria...
(Captain)!
What Makes the Sky Blue - Chapter 1: Light - Episode 1
"An island's buoyancy is derived from the composition of the island and its atmosphere..."
"Although the primal beasts were considered weapons, it could be argued that they had vestigial uses..."
Arusha knows all the nooks and crannies of the Hall of Knowledge, and she has cheerfully volunteered to be the crew's librarian.
Arusha is a librarian of the Hall of Knowledge. She's an expert in her field.
Ah, the Hall of Knowledge certainly lives up to its name!
Johann is a young man brimming with curiosity. He's accompanying the crew in order to expand his knowledge of the Astrals.
Johann is a young, traveling folklorist. His various journeys revolve around uncovering the secrets of the Astrals.
What Makes the Sky Blue - Chapter 1: Light - Episode 2
What Makes the Sky Blue - Chapter 1: Light - Episode 3
Choose: I'm with Lyria!
Choose: This is a tough call, isn't it?
What Makes the Sky Blue - Chapter 1: Light - Episode 3: Scene 2
What Makes the Sky Blue - Chapter 1: Light - Episode 4
What Makes the Sky Blue - Chapter 2: Sky - Episode 1
Whoa, whoa-whoa-whoa!
Choose: What are the lyrics?
Choose: Whoa, whoa-whoa-whoa!
Whoa, whoa-whoa-whoa!
What Makes the Sky Blue - Chapter 2: Sky - Episode 2
Richard, in all his smiling glory, has joined Rackam at Port Breeze to help with the investigation.
On a previous stop at Port Breeze, the crew had met a genius gambler by the name of Richard during the Festival of Falling Flame.
Yes! You're absolutely, definitely right!
Therese stands with the door open a crack. She's also come to fateful Port Breeze in order to lend Rackam a hand.
Therese is a popular duelist of the casino's arena.
What Makes the Sky Blue - Chapter 2: Sky - Episode 3
Help me, (Captain)!
Me and (Captain) will—
What Makes the Sky Blue - Chapter 2: Sky - Episode 3: Scene 2
What Makes the Sky Blue - Chapter 2: Sky - Episode 4
What Makes the Sky Blue - Chapter 3: Life - Episode 1
Aliza and Io were in the middle of their investigation when Fremel came under attack. Together they spearhead the counteroffensive.
Born to a respected family of the Valtz Duchy, Aliza is a steadfast young woman with a penchant for martial arts.
What Makes the Sky Blue - Chapter 3: Life - Episode 2
Stan, as daring and adventurous as ever, enthusiastically agreed to accompany Io and Aliza to help with the investigation in Fremel, but partway there ended up heading off on his own.
Stan has served Aliza's family for many years, doubling as her childhood friend.
Hey, what do you think you're doing!
What Makes the Sky Blue - Chapter 3: Life - Episode 3
What Makes the Sky Blue - Chapter 3: Life - Episode 4
What Makes the Sky Blue - Chapter 4: Stars - Episode 1
Juri and Eugen, both former soldiers of the empire, are assisting with the investigations in Auguste.
In a previous incident involving a primal beast, the crew had run into a youth named Juri, who was an imperial soldier at the time.
What Makes the Sky Blue - Chapter 4: Stars - Episode 2
Thank you very much for your cooperation!
Farrah is engaged in enthusiastic detective work. Although she normally accompanies Katalina, at the moment she acts as Juri's overseer.
Farrah was an imperial soldier who used to train under Katalina before deserting the military.
S-Siero!
What Makes the Sky Blue - Chapter 4: Stars - Episode 3
I wanted to protect everyone...
What Makes the Sky Blue - Chapter 4: Stars - Episode 4
So what's it gonna be, Empire Man?
What Makes the Sky Blue - Chapter 5: Wings - Episode 1
What Makes the Sky Blue - Chapter 5: Wings - Episode 2
What Makes the Sky Blue - Chapter 5: Wings - Episode 3
Eugen... Lieutenant Galston...
What Makes the Sky Blue - Chapter 5: Wings - Episode 4
Choose: You don't have to fake it for me.
Choose: I won't let you out of my sight.
I want to protect someone, she said.
Choose: Me too.
Choose: Let's settle this.
What Makes the Sky Blue - Chapter 6: Beasts - Episode 1
What Makes the Sky Blue - Chapter 6: Beasts - Episode 2
Choose: Deal's off.
Choose: I came to stop you.
What Makes the Sky Blue - Chapter 6: Beasts - Episode 3
What Makes the Sky Blue - Chapter 6: Beasts - Episode 4
What Makes the Sky Blue - Chapter 7: God - Episode 1
Choose: Of course.
Choose: Why should I?
What Makes the Sky Blue - Chapter 8: The One - Episode 1
Choose: Absolutely.
Choose: I don't believe in fate.
Choose: I'll save both of them.
Choose: That time will never come.
Choose: My friends make all the difference.
Choose: I'm not alone.
What Makes the Sky Blue - Chapter 8: The One - Episode 2
Choose: I'm back.
Welcome back, (Captain)!
Choose: Crybaby Lyria.
What Makes the Sky Blue - Chapter 8: The One - Episode 3
What Makes the Sky Blue - Chapter 8: The One - Episode 4
So you're self-taught. I suppose I should adopt more of my own style too!
The End
What Makes the Sky Blue - Wyvern Reverie
Choose: Don't worry about it.
Choose: We done here?
What Makes the Sky Blue - Wyvern Reverie: Scene 2
Choose: You look pleased with yourself.
Choose: Is the test over?
The supreme primarch, Lucifer...
And the Astral researcher...
The End
Cast
Synopsis
Islands across the skydoms begin plummeting from the sky in a catastrophic phenomenon known as the "cataclysms." As panic spreads and conspiracy theories place bounties on the Grandcypher crew, Captain and their companions discover the crisis stems from an imbalance in the tetra-elements (fire, water, earth, and wind) that keep islands afloat. Their investigation leads them to the Four Primarchs, ancient archangels who control these elements, and reveals that a fifth primarch named Sandalphon has escaped from the Astral prison of Pandemonium. Driven by millennia of resentment and a desire to prove his worth to his creator Lucifer, Sandalphon systematically steals the wings of the other primarchs to gain godlike power and create his own "heavenly realm." The crew must work alongside the weakened primarchs to stop Sandalphon before he destroys the world, all while grappling with the revelation that Lyria's summoning of Proto Bahamut at Zinkenstill inadvertently caused the prison seal to weaken.
Summary
Across the skydoms, islands begin falling from the sky without warning. At Auguste Isles, a meeting of merchants and officials is interrupted by a mysterious figure who reveals himself as an archangel. He attacks the gathering with strange creatures called Virtue Cores, leaving only Sierokarte to escape and warn others of the impending crisis.
The crew investigates the cataclysms at the Hall of Knowledge, where librarian Arusha and folklorist Johann help them discover the connection between island buoyancy and the tetra-elements. A hidden manuscript reveals the existence of original primal beasts called archangels, including the Four Primarchs who control the elements. When Virtue Cores attack the library, Lyria demonstrates new combat abilities while protecting her injured allies. The crew splits up, with Katalina remaining to defend the Hall while Captain, Vyrn, Lyria, and Sierokarte continue the investigation.
The group travels to Port Breeze to find the wind primarch. Meanwhile, Rackam faces bounty hunters who believe false rumors that the crew is causing the cataclysms. With help from Richard and Therese, he evades capture. In the forest shrine, the crew encounters Raphael, the severely weakened wind primarch, who cryptically states that "only primarchs can repair the void between primarchs" before disappearing. Rackam departs to gather the rest of the crew while the others head to Fremel Island.
On Fremel, Io and Aliza are fighting off Virtue Core attacks when the crew arrives. They discover Stan has gone to investigate strange activity near Nephthys's lair, where they find him protecting Michael, the fire primarch, from a mysterious assailant. Stan's dormant dragon blood powers activate, allowing him to help Michael escape. Michael reveals that someone is systematically stealing the primarchs' wings to gain their elemental powers, and that earth primarch Uriel has already disappeared. The attacker is revealed to be seeking to become the "fifth primarch."
At Auguste, the crew finds Eugen recovering in a hospital where Gabriel, the water primarch, has been disguised as a nurse. Michael and Gabriel explain the creation myth and reveal that the mysterious attacker is Sandalphon, an archangel who escaped from Pandemonium when Lyria's summoning of Proto Bahamut at Zinkenstill weakened the prison seal. They describe how original primal beasts were created by the Astrals to regulate the world, but most were sealed away after a rebellion. Learning that she inadvertently caused the cataclysms, Lyria runs away in guilt. When more Virtue Cores attack Auguste, Sandalphon appears and confronts the primarchs directly.
On Lumacie, Rosetta and Yggdrasil discover Astral ruins containing information about the original primal beasts' rebellion. They find and nurse the injured earth primarch Uriel back to health. In Auguste, Sandalphon battles Michael and Gabriel, forcing Gabriel to destroy her own wings to prevent him from stealing them. During the chaos, imperial forces finally join the defense after Farrah convinces them that protecting people transcends military orders. When Sandalphon attempts to take Vyrn's wings as a substitute, Lyria intervenes and is captured instead. Sandalphon proposes a trade at Lumacie.
While imprisoned, Lyria experiences Sandalphon's memories and learns of his tragic past as Lucifer's "spare," a backup created by an Astral researcher but dismissed as useless. At the exchange site on Lumacie, Rosetta and the primarchs execute a plan using Uriel's power through Yggdrasil to reflect Sandalphon's attack back at him, allowing Lyria to escape. When Sandalphon transforms into a massive winged form, the rest of the crew arrives on the Grandcypher and, with Raphael's wind assistance, rams directly into him.
After losing the stolen wings, Sandalphon appears to repent for his actions and offers Captain a handshake. However, this is a deception, and he pushes Captain off the cliff toward the bottom of the skies. As Captain falls, Lyria and Vyrn prepare to summon Proto Bahamut despite the risk of freeing more dangerous prisoners from Pandemonium.
During the fall, Captain encounters a mysterious Great One who tests their resolve as a "singularity," someone who influences the world's fate. The Great One warns that Vyrn and Lyria's intertwined destinies will eventually bring ruin, but Captain maintains their determination to protect both friends. Captain awakens back on the cape, saved by this divine intervention. Sandalphon rages when Lyria and Vyrn's summoning of Bahamut fails to break open Pandemonium. Lucifer, the supreme primarch, appears. Lucifer reveals he had been maintaining the seal on Pandemonium and knew of Sandalphon's plan all along. After an emotional confrontation where Lucifer acknowledges his own failure to understand Sandalphon's pain, he absorbs the fallen archangel into his own core for healing. The primarchs bid farewell to the crew, and peace returns to the skies.
With the crisis resolved, reconstruction begins across the skydoms. The crew reunites on the Grandcypher to continue their journey to Estalucia. In a bonus scene, Lucifer appears to test the crew's bonds in a dreamlike battle, leaving behind only a mysterious white feather as proof of the encounter.
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