Originally Posted by
Shrapnel
Alright, so here is what I had in mind for Hero Fall involving Rock and Revy.
Basically, as established in the first chapter, Rock and Revy are in Japan days before the Holy Grail War because they are delivering a catalyst to Medea's Master, who I heavily based off Atrum Galliasta from Ufotable's UBW adaptation and, on the side, since they're there and might as well, to enter negotiations with the local Yakuza group for Balalaika (who obtained the catalyst for them, paid their way from Roanapur to Japan, etc.). Rock at this point (as it's several years after the main events in Black Lagoon) is more deeply embedded with his darker side (as seen in Roberta's Blood Trail) and Revy is, well, more loathsome (read: lonely) because of it. She's cynical, racist, and prone to drinking and fits of violence—more-so than before—and, I had planned, to have her retreat further and further into her shell as the story went on.
Hm. Anyway, after she winds up as the Master of Caster and after they battle Lancer (who at this point is under Kotomine's Command Spell), which leaves Revy injured and unable to do much, she reluctantly decides to bring Rock in, and from there it just goes downhill. Rock sees the Holy Grail War as an opportunity to change the fate of Roanapur, as Chang says his actions would in Roberta's Blood Trail but ultimately didn't go the way he wanted them too. This is his second, big chance, so to speak.
Since I was mainly going to follow Heaven's Feel in terms of how the 5th War pans out, let's just say with Rock being a player things get even worse. Plus there are other things that would've been revealed in Ayako and Bazett's storylines which pave the way for Minds of Steel, which is set immediately after.
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In Minds of Steel, the city of Roanapur is where the characters go to find a certain red-haired puppeteer. Also there's a Canaan cameo, among other things.