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Fan Fic / Of Gemstones and Watches

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Of Gemstones and Watches is a fanfic written by Transwiththeplans and Winter Witch. It is a crossover between Ben 10 and RWBY.

In an alternate timeline, Ben Tennyson instead travels his summer with the equally mischievous Ruby Rose. But there's something more to this girl than meets the eye, and once Ben receives the Omnitrix, their summer takes a strange, and sometimes more horrifying, turn.

Of Gemstones and Watches provides examples of:


  • Abusive Parents: Kevin and his mom are horribly abused by his stepfather.
  • Action Girl: Ruby is the living definition of this trope, wielding a giant scythe in combat.
  • Adaptational Badass: Ruby and Ben seem more battle oriented than they did in canon.
  • Adaptational Jerkass: Harvey Hackett, a one off character from Ultimate Alien, was Kevin's ex-step dad who meant well. Here, he's an abusive jerk.
    • Kai Green, due to her belief that Huntsmen like Ruby and her family are covering up poaching by pretending to fight monsters.
  • Adaptational Early Appearance:
    • Echo Echo, Spidermonkey, Astrodactyl, Water Hazard and Eatle all appear earlier than they did in Ben 10 canon.
    • Michelle Morningstar appears during Chapter 8.
    • Clancy appears during Chapter 4.
    • Verdona appears during Chapter 12.
    • Psyphon appears here when he didn't appear at all in the canon original series.
    • The Saturdays appear in Chapter 17.
  • Adaptational Intelligence: Without Gwen around, Ben's natural intelligence shines more often. Like, he still makes mistakes and acts like the 10-year-old he is, but he isn't the "dummy" he's occasionally portrayed in canon.
  • Adaptational Nice Guy: Ben's nicer because it's Ruby and he wants to be friends with her, and because Gwen isn't around to antagonize him, this makes Ben nicer all around.
    • Gwen is more like her reboot self in this story.
  • Adaptational Superpower Change: Verdona is changed to be an Osmosian in this universe.
  • Adaptational Villainy: In-Universe, the villain in the cartoon based on Ben's aliens, the Red Queen, is based on Ruby.
  • Call-Forward: There are several mentions/hints towards characters and plot elements that weren't introduced in canon until "Alien Force", "Ultimate Alien", or "Omniverse".
    • Khyber is one of the bounty hunters after Kevin at one point, and two others who blew themselves up offscreen are implied to be the Vreedle brothers.
  • Canon Foreigner: Characters Anna and Kylie.
  • Canon Immigrant: The RWBY universe.
  • Crossover: Between Ben 10 and RWBY.
  • Darker and Edgier: The story has some edge to it;
    • Permanent Retirement illustrates the chase scene with the idea that "Marty" is gonna kill the two kids.
    • Last Laugh implied that Zombozo killed some of his crew men.
    • Charm School's Out has Michelle Morningstar rip out a girl's tongue.
  • Disabled in the Adaptation: Yang apparently lost her arm much earlier in this timeline.
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  • Horrifying the Horror: When Ben first sees a Grimm, a giant Nevermore that's munching on some poor sap, he's in Ghostfreak form, which had earlier beat Zombozo up to the point that Ben thought that he might have killed him, and he's still terrified of it.
  • Gender Flip: Michael Morningstar becomes Michelle Morningstar.
  • The Masquerade: The Grimm are apparently significantly rarer on the Ben 10 Earth than in RWBY canon, allowing the Huntsmen to cover up their existence using similar logic to what Ozpin used to justify hiding Salem's existence, to keep people from panicking and drawing the Grimm to them.
  • O.O.C. Is Serious Business
  • Shout-Out:
  • Time Skip: At the end of Chapter 24, the story skips forward several years.
  • Ultimate Universe: In addition to the crossover elements, like Ruby, the fic also has characters, aliens, and plot elements from the reboot series intoduced or hinted at during the summer trip from the original series.


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