Sunday (Honkai: Star Rail)

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|-|Sunday=
|-|"Harmonious Choir" The Great Septimus=
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==Summary==
, the benevolent and self-disciplined head of the Oak Family. In order to fulfill the promise made to his younger sister in childhood, he ultimately embarked on a path diametrically opposed to hers.
==Powers and Stats==
Tier: | 
Key: Sunday | "Harmonious Choir" The Great Septimus
Name: Sunday | "Harmonious Choir" The Great Septimus, "Embryo of Philosophy" Sunday
Origin: Honkai: Star Rail
Gender: Male
Age: Unknown
Classification: Halovian | Machine, Robot, Emanator of Harmony
Powers and Abilities:
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|-|Sunday=
|-|"Harmonious Choir" The Great Septimus=
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Attack Potency: Unknown | Galaxy level ("Harmonious Choir" The Great Septimus is a more powerful version of Dominicus, the Wisher of Harmonious Choir, one of the four Harmonic Strings, embodiments of Xipe and Emanators of Harmony,Data Bank: TermsPom-Pom's Intel | Emanator SpecialThe Sun Also Rises due to the interference from Sunday, who intertwined the power of Harmony and Order within it. Acheron stated that the Harmonious Choir indeed possess the power of an Emanator, and in order to defeat it, it would be needed the same level of power as one. Was capable of fighting and overpowering The Trailblazer, March 7th, Dan Heng, Himeko and Welt at the same time before the interference of Robin, and then he fought against them in a 1v6 after she teamed-up with the Astral Express crew, although he was defeated in the end10.53 ZettaFoe)
Speed: Unknown | Relativistic travel speed, FTL reaction and combat speed (Kept pace with The Trailblazer, March 7th, Dan Heng, Himeko, Welt and Robin at the same time)
Lifting Strength: Unknown | Unknown (Was shown to be unable to move its own body, but it is able to move its arms with ease)
Striking Strength: Unknown | Galaxy level
Durability: Unknown | Galaxy level (Was able to tank numerous attacks from The Trailblazer, Dan Heng, March 7th, Himeko, Welt and Robin before being eventually defeated)
Stamina: Unknown | Infinite (While transformed into "Harmonious Choir" The Great Septimus, Sunday was shown to have become an giant robot, thus he doesn't need to rest, being capable of acting and fighting indefinitely)
Range: Standard Melee Range | Tens of Meters by sheer size, Up to Galactic with Powers and Abilities (Was going to reshape the reality within the entire Dreamscape, which is based on everything regarding the Asdana Galaxy, including its size. Was able to put everyone in the Dreamscape into different dreams that were indistinguishable from reality), Hyperversal, possibly Low Outerversal with Dimensional Travel
Standard Equipment:
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|-|Equipment=
None notable
|-|Light Cones=
None notable
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Intelligence: Genius (Together with the Oak Family, Sunday was able to create and apply a complex plan to put everyone in the entire Dreamscape into different dreams that were indistinguishable from reality, fooling nearly the entire cast of important characters that were present during the Penacony Arc)
Weaknesses: Sunday was shown to not to be a fighter without being transformed | None notable
Notable Attacks/Techniques:	Notable Attacks/Techniques:
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==Notable Matchups==
Victories:
Losses:
Inconclusive:
==References==
==Notes/Explanations==
Category:Characters
Category:Honkai Star Rail
Category:Antagonists
Category:Curse Users
Category:Empowerment Users
Category:Energy Users
Category:Enhanced Senses Users
Category:Extrasensory Perception Users
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Category:Large Sized Characters
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Category:Summoners
Category:Telepaths
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Category:Tragic Characters
Category:Transformation Users
Category:Video Game Characters