CharactersArtifactsAid CardsTeam Builder

A fansite for Yu Yu Hakusho: Slugfest. Not affiliated with the official game developers.

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© 2026 Yu Yu Datashow

Yu Yu Hakusho and all related characters and elements are trademarks of © Yoshihiro Togashi 1990-1994 and © Yoshihiro Togashi / Shueisha / Fuji TV / Pierrot.

Updates

Kurama [Demon-Eating Plant]

New data:

  • Added Kurama [Demon-Eating Plant]

1st Anniversary Characters

New data:

  • Added Hiei [1st Anniversary]
  • Added Yusuke Urameshi [1st Anniversary]

Yomi [Underworld Commander]

New data:

  • Added Yomi [Underworld Commander]

Genkai [Tournament Champion]

New data:

  • Added Genkai [Tournament Champion]

❤️ Genkai Valentines ❤️

New Data:

  • Add Genkai [Valentine's Day]

Suzaku, Start of summary overhaul & Ads

New Data

  • Added Suzaku

UI Updates

  • Characters now have their summaries split into a new tab to reduce page height.
  • Most UR characters have had their summaries improved. I'm spending a lot of time trying to fine tune an LLM prompt to generate the most helpful summaries of characters starting with the UR characters.
  • Newer characters appear at the top of the character page by default

Ads

  • I've decided to add some low annoyance ads to try and make some of my own personal investment back in this site. I've done it all pro bono and spent a lot of my own personal time to make this happen, so I hope it doesn't bother you all.

🎊 Happy New Year 🎊

New Data

  • Added Raizen [New Year]

Happy Holidays ⋆꙳•❅*🎄*❆•꙳⋆

New Data

  • Added Jin [Christmas]

UI Improvements

  • Drop downs should be less annoying by sorting selected items to the top.
  • Added some spacing in character abilities

Description Engine

  • I've been tweaking the description engine behind the scenes.. its progressing. Its not perfect yet and needs more improvements. However you can sample some new descriptions on Jin [Christmas], Jin, and Yomi.

Hiei [Demon World Unification War]

New Data

  • Added Hiei [Demon World Unification War]

Team Builder Improvements & Yusuke [Demon World Unification War]

New Data

  • Added Yusuke Urameshi [Demon World Unification War]

New UI Team builder UI has been refreshed and improved

  • Info section moved to the top
  • New sub tab selection for Characters / Artifacts / Aid Cards
  • Inactive resonances are now shown

Kurama [Halloween]

Happy Halloween everyone!

New Data

  • Added Kurama [Halloween]

Kurama [Adviser of the Demon World]

New Data

  • Added Kurama [Adviser of the Demon World]

Kazuma [Sports Festival]

New Data

  • Added Kazuma Kuwabara [Sports Festival]

Sensui [Sacred Energy Armor]

New Data

  • Added Shinobu Sensui [Sacred Energy Armor]

Aid Cards & Denpo

New Data

  • Added Denpo (Thank you DinegoDicas)
  • Artifact "phases"
  • Added Aid Cards

UI improvements

  • Breadcrumb added to Artifact/Character pages
  • Tabs added where there may be information overload
  • Last update time now appears under character descriptions as they get updated
  • Artifact filters start closed in mobile views

Whats next ?

Well you might noticing Aid cards were not added to the Team Builder.

This is because I plan on revamping the Team Builder entirely next update. Right now shoving more in that UI would make it worse, so I would rather wait and give everyone a better experience.

Botan [Maid]

New Data

  • Added Botan [Maid]

UI improvements

  • Mobile improvements: Character filters default to being closed, spacing issues on character page

Bug fix

  • Resolved another issue when users translate the application and open tooltips on the character page. If you see this issue please report it in the discord so I can resolve it ASAP!

Saizo

New Data

  • Added Saizo's data (Thank you #Iversen)

Data correction

  • Fixed some missing skill icons

Updates & Artifacts

New UI

  • Artifact page
  • Update page
  • Add a default character card in builder page, It makes it feel less empty.

Bug fixes

  • Fixed an issue where using auto translate could crash the application. Sorry non-english speakers!

Artifacts

Artifacts have been added to the team-builder page and have their own search, and view page.

The is a basic level addition more features will ship in future related to artifacts.

UX Overhaul & Koko

New UX updates

  • light mode / dark mode switcher
  • New logo (Thanks to @altheabona)
  • Color corrections & UX feel

Data updates

  • Added Koko

Yomi

Data updates

  • Added Yomi