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    2,054,198 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 Oct 2026.636,163 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 25 Oct 2026.269,438 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    Slayermarks

    Mod

    Cosmetics for Demon Slayer servers.

    E29/ 100
    • OverviewE
    • SecurityNot checked yet
    • PrivacyNot read yet
    • AINot checked yet
    • CompatibilityMinecraft 1.16.5
    • ModpacksIn 9
    • ReleasesLatest Jun 2023

    Download

    Slayermarks_beta_1.1.jar Beta

    Released 2 Feb 2022 · 776.3 KB

    Not checked: its author does not let other sites download this file from CurseForge, so we cannot check it.

    Open on CurseForge
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade E

    How grades work

    Strengths

    • Stable releases

    Points lost

    • No release in 3.3 years−26 points
    • No file for a Minecraft version most modpacks use−9 points
    • No source code link−7 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      27 points lost0 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.3.4 years ago (18 Jun 2023) 0 / 12
      Supports popular versionsWhether the project has a file for a Minecraft version that 15% or more of the popular mods updated in the last 6 months also support. A version many modpacks use, like 1.20.1 or 1.21.1, also counts after a release in the last 12 months.1.16.5 on Forge and Fabric. About 5.7 years behind popular modding versions. Latest Minecraft: 26.3. Abandoned: no release for 3.3 years; no file for a popular modding version.0 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.No release in the last 24 months 0 / 6

    • Stability

      Full points15 / 15
      Removed from modpacksHow many modpacks removed it in a later version of the pack. We can only see this in modpacks with two or more versions. A pack that swaps it for another edition of the same project, or that is rebuilt from scratch, does not count.1 of the 7 modpacks with two or more versions removed it in a later one (14%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Not measured yet.
      Known conflictsHow many projects say they do not work with it, compared with how widely it is used. Packs, small projects, forks, ports, add-ons, alternatives and old versions do not count.None 5 / 5

    • Transparency

      7 points lost0 / 7
      Source codeWhether the project page links to its source code, so anyone can read what it does.No link on the project page 0 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.Does not apply. CurseForge links are not in our data.

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.45,541 3 / 4

    • Track record

      8 points lost0 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.4.7 years, 8 releases 0 / 8

    • Security

      Not checked
      File checksThis check adds no points. It can only take points away.Not checked: CurseForge does not let other apps download this project's files. B at most. See Security
    Total29 / 100

    17.8 of the 61 points that apply = 29 out of 100. The points above are rounded to whole numbers.

    Images

    • Sun Demon Slayer Mark

    About

    Slayermarks adds cosmetics and custom combat content for Demon Slayer servers, and is designed specifically for Demon Slayer: Fates while also usable in single-player and co-op worlds. It also adds Hashira ultimate moves with varied effects: Flash Step dashes toward a target, Shifting Tides brings rain that strengthens the mark and damage, and Flickering Haze grants temporary invisibility, speed, and strength. Other moves provide effects such as explosive attacks, crowd control, damage boosts, poison, dodging, healing, or immunity to selected status effects, often with trade-offs such as hunger loss, blindness, or later slowness. The marks are cosmetic and do not grant unfair advantages over other players.

    Written from CurseForge . How we write it

    Details

    Creator
    notoriiious
    License
    Not known
    Downloads
    46K
    Created
    1 Feb 2022
    Official page
    CurseForge

    Security

    Not checked yet

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.16.5.

    Its author does not let other sites download its files from CurseForge, so we cannot check them.

    Why we show this: a mod runs on your computer like any program, so harmful code in it can take your accounts or files. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: malware means no grade, and a Warning in a latest file for a recent Minecraft version lowers it.

    How we checked · Not checked yet
    • FilesWe download the files from Modrinth or CurseForge and look at what is inside them and what their code can do, without running them. Fixed rules tell what is harmful.
      2 latest files: the newest file for each Minecraft version and loader. None is for a recent Minecraft version, so the answer above is about all of them. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks. See each file in Releases

    Privacy

    We have not read its code yet

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.16.5.

    What it sends is not known yet.

    Why we show this: a mod can send things about you over the internet, like your player name or your login. Contacting an address to check for updates or download files sends nothing about you. Not in the grade: sending data can be normal for what a mod does.

    How we checked · Code not read yet
    • Files readWe read the code without running it. We list each web address the code contacts while you play, and what it sends. Code that is never used is left out.
      None yet. See each file in Releases

    AI

    Made with AI: not checked yet

    We have not looked for AI tools in it yet.

    AI in the game: not checked yet

    We have not read its code for AI yet.

    Why we show this: some players and servers avoid projects made with AI, and AI in the game can send what you write to an online service. Not in the grade: using AI does not tell whether a project works well or is kept up to date.

    How we checked · 1 place read
    • Author on ModrinthThe disclosure form on Modrinth. Since 13 Aug 2026, Modrinth's rules require it when a substantial part of the code is AI output, when an asset is mainly AI output, or when the project or its page relies on generative AI.
      Not on Modrinth.
    • Description and changelogsThe description, project page and newest changelogs: sentences saying an AI tool was used, and text pasted from an AI chat.
      Nothing found in the description
      Changelogs not read yet
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Not read yet
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Not read yet
    • Sounds in its filesThe tags of the sound files in the files you download, where some AI music tools write their name.
      Not read yet
    • Code of the modThe code and files of the mod, read without running it: addresses of AI services, AI libraries, AI model files and a place for your own AI key.
      Not checked for AI yet.

    Compatibility

    See all 8 files
    Fabric
    Forge
    1.161.191.2126.1

    Point at or tap a version to see its loaders.

    RequiresProjects you must also install for it to work. From the author's lists for its files for recent Minecraft versions, or from its project page.Nothing
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.Nothing
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.No file yet for any of the last 6 Minecraft versions.

    Modpacks using this project

    Find modpacks with it

    Modpacks that include Slayermarks in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    Official Demon Slayer RP Modpack31K downloadslast version with it 31 Jul 2024Demon Slayer: Re18K downloadslast version with it 16 May 2022Wings of Fire13K downloadslast version with it 24 Apr 2022Demon Slayer Endings8.7K downloadslast version with it 11 Aug 2022HDYB's Demon Slayer Modpack3.9K downloadslast version with it 2 Sep 2022Demon Slayer 20423.1K downloadslast version with it 19 Sep 2022Demon Slayer Legends SMP Modpack1.4K downloadslast version with it 6 Aug 2022Demon Slayer Crimson648 downloadslast version with it 24 Sep 2022demons slayer marks470 downloadslast version with it 4 Jul 2024

    Latest files

    The newest file for each Minecraft version and loader. None is for a recent Minecraft version. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    Older Minecraft versions
    1.16.5·Fabric1.11.1 · Slayermarks_beta_1.1.jarSends: Not read yetRequires:NothingNot checkedWe have not checked this file yet.
    1.16.5·Forge1.8.91.8.9 · Slayermarks_1.8.8_Beta5.jarSends: Not read yetRequires:NothingNot checkedWe have not checked this file yet.

    8 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.16.5The latest file for its Minecraft version and loader·Forge1.8.91.8.9 · Slayermarks_1.8.8_Beta5.jar·18 Jun 2023Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Open this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.16.5·Forge1.8.71.8.7 · Slayermarks_1.8.7.jar·12 Jul 2022Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Open this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.16.5·Forge1.8.61.8.6 · Slayermarks_1.8.6.jar·2 Jul 2022Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Open this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.16.5·Forge1.8.51.8.5 · Slayermarks_1.8.5.jar·13 Feb 2022Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Open this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.16.5·Forge1.31.3 · Slayermarks_beta_1.3.jarBeta·2 Feb 2022Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Open this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.16.5·Loader not stated1.21.2 · Slayermarks_beta_1.2.jarBeta·2 Feb 2022Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Open this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.16.5The latest file for its Minecraft version and loader·Fabric1.11.1 · Slayermarks_beta_1.1.jarBeta·2 Feb 2022Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Open this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.16.5·Forge1.01.0 · Slayermarks_beta_1.0.jarBeta·1 Feb 2022Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Open this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.