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Blades Derby is a Forge and NeoForge addon that brings Umamusume support cards, skills and a SlashBlade-related theme into the game.

ForgeNeoForgeClient and serverMIT LicenseOpen source1.20.1 – 1.21.1

What it does

Blades Derby extends SlashBlade:Resharped with an addon for Umapyoi, adding four new support cards and their skills that relate to SlashBlade. It needs both SlashBlade:Resharped and Umapyoi installed to run. Since the environment is client and server, the server and every player need it. Builds cover 1.20.1 and 1.21.1, with 1.0.3 as the latest Forge file and 2.0.0-1.21.1 as the latest NeoForge file. The code is released under the MIT License and is open source.

Key features

  1. Four new support cards

    The addon adds four support cards for Umamusume that are tied to SlashBlade content.

  2. New skills

    Each new card comes with its own skills, which extend the Umapyoi card system.

  3. Ongoing updates

    The author notes that content will continue to be added and updated over time.

Compatibility

Latest build for each game version and loader.

1.21.1Not available2.0.0-1.21.1
1.20.11.0.31.0.3
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 2

UmapyoiA "Uma Musume Pretty Derby" theme, "Training & Inheritance" gameplay Minecraft Mod.
Required
SlashBlade:ResharpedA SlashBlade mod fork for Modern Minecraft.
Required

How it compares

Full comparison

The Last Smith is a Forge and NeoForge mod under the MIT License, open source, for Minecraft 1.12.2 – 1.20.1 and running on client and server. SlashBladeJapaneseAddonPack is also open source under the MIT License, for 1.12.2 – 1.21.1 on Forge and NeoForge with client and server environment.

ModLoadersGame versionsEnvironmentUpdated
Blades DerbyForge and NeoForge1.20.1 – 1.21.1Client and server2026-05-11
The Last SmithForge and NeoForge1.12.2 – 1.20.1Client and server2026-02-02
SlashBladeJapaneseAddonPackForge and NeoForge1.12.2 – 1.21.1Client and server2026-05-11

Questions

Does Blades Derby need SlashBlade:Resharped?

Yes. SlashBlade:Resharped is a required dependency and must be installed alongside Blades Derby.

Does Blades Derby need Umapyoi?

Yes. Umapyoi is also a required dependency, and the addon depends on it to add its support cards.

In the catalog

Blades Derby is one of 12,078 Decoration mods on ModsFinder, and one of 6,149 Decoration mods for Forge. 32,366 mods support Minecraft 1.21.1.

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What the author says

Welcome to Blades Derby, an Umapyoi mod & SlashBlade:Resharped addon. This addon added 4 new SlashBlade related to Umamusume, new support card and new skills for umamusume.
Tracen Academy Minecraft Group, on the Modrinth page

Official listing

Owner
Tracen Academy Minecraft Group
Published
2025-03-31
Updated on Modrinth
2026-05-11
Facts verified
2026-10-15

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