Darkest Day (Pokémon Sw/Sh fanfic - rewrite available and in progress)

-Cover by me!-
Eliana, the Champion of Sinnoh, returns to her home in Galar to meet up with her old friend, Leon, who just happens to be the Champion of the region. While she has every intention to return home to her duties, something comes up that just may prove the fate of Galar -- and possibly the entire world: The Darkest Day.
Her and Leon team up to find a solution to the upcoming apocalypse by seeking out the legendary Sword and Shield. But Leon's rival, Raihan, isn't letting them go off unattended; Mostly because Leon can't tell what's left from right at all.
Eliana is soon confronted with the most difficult experience of her life. The Darkest Day is upon them, and it's approaching faster than she can handle.