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    2,061,999 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 26 Oct 2026.642,502 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 26 Oct 2026.269,626 projects gradedProjects with a letter from A to F. Counted on 26 Oct 2026.
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    Lethality - A Terramity Addon

    Mod

    A Terramity addon that adds some weapons from the Terraria Calamity mod.

    Download

    Files come from CurseForge servers.

    lethality_0.4.1_1.20.1.jar

    Released 14 Dec 2025 · 3.4 MB

    Passed: our checks found nothing harmful in this file.

    Download
    B80/ 100
    Security
    Passed
    Privacy
    None found
    Runs on
    Client and server
    Loaders
    Forge
    Minecraft versions
    Minecraft 1.20.1
    • OverviewB
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityMinecraft 1.20.1
    • ModpacksIn 265
    • ReleasesLatest Dec 2025
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade B

    How grades work

    Strengths

    • Security checks passed
    • Stable releases
    • Widely used

    Points lost

    • No release in 10 months−7 points
    • Releases in only 3 of the last 24 months−4 points
    • No public issue tracker−3 points
    All 11 criteria

    • Maintenance

      8 points lost19 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.10 months ago (14 Dec 2025). 132 modpacks released in the last 6 months still include it, so it keeps 63% of these points. 8 / 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.1.20.1 on Forge. 77% of the 516 popular Forge mods updated in the last 6 months also have files for 1.20.1. Latest Minecraft: 26.3. 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 3 of the last 24 months 2 / 6

    • Stability

      Full points22 / 22
      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.12 of the 202 modpacks with two or more versions removed it in a later one (6%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.1 of its 7 releases in 2 years needed a quick fix (14%) 7 / 7
      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

      3 points lost7 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · Daphnesuki/Lethality 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.No link to report problems 0 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.2,192,190 4 / 4

    • Track record

      3 points lost5 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.17 months, 6 releases 5 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in both latest files for recent Minecraft versions. See Security
    Total80 / 100

    56.5 of the 71 points that apply = 80 out of 100. The points above are rounded to whole numbers.

    Images

    • The big girl herself.
    • More strange weapons!
    • Some strange weapons
    • The Brimstone Witch's arsenal
    • Bladecrest Oathsword evolution tree
    • Tainted Blade evolution tree

    About

    Lethality is a Terramity addon that brings weapons inspired by Terraria’s Calamity mod and other games into Minecraft with a broadly vanilla-style approach. It adds 48 weapons, six materials, four bonus items, two armor sets, and seven curios, all described as craftable and suitable for survival play. Weapon lines include the Tainted Blade, which evolves through Caustic Edge into the projectile-firing Blighted Cleaver and Defiled Greatsword, and the Bladecrest Oathsword line, whose later swords apply burns and Shadowflame while launching scythes or other projectiles. Other distinctive weapons include Violence, a spinning trident that builds Flames Hex and Stained Calamity; Sacrifice, a backstab-focused dagger; Vehemence, a homing magic bolt staff; and Grievance, which surrounds its wielder with Brimstone Flames for increased damage and lifesteal. The collection also spans Starlight’s rapid rainbow slashes, Pickle Paddle’s bouncing projectiles, Gambler’s Blade’s luck- and Blood Coin-based critical system, and Nightfall’s health-draining magic strikes that can shield and heal its wielder. Progression and utility additions include heavy sword variants for vanilla and Terramity materials, boss-specific Excalibur variants, the Battle Maid and High Frequency Maid armor sets, and curios such as the stationary-damage-immunity Pale Branch and liquid-floating Sorrowful Ghast. New materials such as Pixie-enchanted Alloy and Annihilation Alloy support crafting, while bonus items include Mate drinks with combat or stealth effects and Alfajor de Maicena, a small healing food.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Adds:

    • 1 blockNihilite Ore. Blocks with their own name, checked against the block files.
    • 77 itemsAlfajorcito De Maicena, Annihilation Alloy, Backup SoS, Battle Maid Shoes, Battle Maid Dress, Battle Maid Headband, Battle Maid Stockings, Bladecrest Oathsword and 69 more. Items with their own name, not counting blocks, checked against the item files.
    • 76 recipes
    • 8 sounds

    Counted from the files of the mod. Content made only in its code is not counted.

    Keeps all of vanilla Minecraft's textures, models and sounds.

    Details

    Creator
    sofasito
    License
    Creative Commons Zero v1.0 Universal
    Downloads
    2.2M
    Created
    7 Jun 2025
    Official pages
    Modrinth , CurseForge
    Links
    Source code

    Security

    No harmful code found

    We checked its files and read their code, without running it.

    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 · Both latest files checked, last on 16 Oct 2026
    • 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. Both are for recent versions. 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
    • Their codeWe turn the code of the files back into readable code and follow what it does, without running it. This shows what it downloads, what it sends and where your login goes.
      Read without running it
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares that the project reads or edits things on your system outside the game. Since 13 Aug 2026, Modrinth's rules require it when this applies.
      Nothing declared about your system outside the game.
    • Looked for, not foundWe looked for these in the file and did not find them.
      The internet, folders outside the game, other programs, updating itself, the webcam or microphone, an AI service.

    Privacy

    We found nothing it sends

    We read its code without running it: it contacts no web address while you play.

    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 · Both files read
    • 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.
      The code of both files, for recent Minecraft versions. See each file in Releases
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares crash reports, usage data and advertisements. Since 13 Aug 2026, Modrinth's rules require it when a project collects data on its users or shows advertisements.
      Nothing declared about crash reports, usage data or advertisements.

    AI

    No sign that AI was used to make it

    We looked for AI tools in its texts, files, images, sounds and code history and found none.

    No sign of AI in the game

    We found no AI service, AI library or AI model file in its code.

    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 · 7 places 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.
      No AI content or AI features declared.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      Nothing found
    • 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
      11 of 13 changelogs read
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Nothing found
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Nothing found
      226 images read
    • Sounds in its filesThe tags of the sound files in the files you download, where some AI music tools write their name.
      Nothing found
      8 sounds read
    • 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.
      No AI service, AI library or AI model file
      239 code files read

    Compatibility

    See all 6 files
    Forge
    1.201.2126.126.3

    Point at or tap a version to see its loaders.

    Runs onWhere to install it: in your game, on the server, or both. As the author says on Modrinth.Needed in your game and on the server, or you cannot join.
    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
    LanguagesThe languages the text in the game is available in, from the language files of its latest files we checked. A language file can translate only part of the text.English only
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.It has no file for Minecraft versions newer than 1.20.1. Many recently updated mods still support 1.20.1.

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    50250
    Oct 2024: 0 modpacksNov 2024: 0 modpacksDec 2024: 0 modpacksJan 2025: 0 modpacksFeb 2025: 0 modpacksMar 2025: 0 modpacksApr 2025: 0 modpacksMay 2025: 0 modpacksJun 2025: 9 modpacksJul 2025: 15 modpacksAug 2025: 21 modpacksSep 2025: 27 modpacksOct 2025: 23 modpacksNov 2025: 26 modpacksDec 2025: 27 modpacksJan 2026: 29 modpacksFeb 2026: 41 modpacksMar 2026: 36 modpacksApr 2026: 35 modpacksMay 2026: 37 modpacksJun 2026: 40 modpacksJul 2026: 42 modpacksAug 2026: 34 modpacksSep 2026: 35 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20240
    Nov 20240
    Dec 20240
    Jan 20250
    Feb 20250
    Mar 20250
    Apr 20250
    May 20250
    Jun 20259
    Jul 202515
    Aug 202521
    Sep 202527
    Oct 202523
    Nov 202526
    Dec 202527
    Jan 202629
    Feb 202641
    Mar 202636
    Apr 202635
    May 202637
    Jun 202640
    Jul 202642
    Aug 202634
    Sep 202635

    More modpacks put it in their new versions than a year ago: 37 a month now, 12 a year agoThe average of the last 6 months, compared with the same 6 months a year before. We say it only when the change is large..

    265 modpacks include Lethality - A Terramity Addon in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Linggango - [V6.5 IS OUT]1.3M downloadslast version with it 24 Oct 2026DarkRPG - RPG with Vampires, Dragons, Magic, Quests, Adventure841K downloadslast version with it 20 Oct 2026Ascendra666K downloadslast version with it 7 Oct 2026Beyond Ascension645K downloadslast version with it 18 Oct 2026Infinity Legends (Palladium)111K downloadslast version with it 23 Oct 2026Calamycraft106K downloadslast version with it 29 Jun 2026Requiem - BETTER FANTASY (The Last Act)91K downloadslast version with it 23 Oct 2026World Terra83K downloadslast version with it 29 Sep 2026Rhinocraft62K downloadslast version with it 5 Aug 2026Terramity Awakened - A Calamity Experience!54K downloadslast version with it 25 Sep 2026
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with Lethality - A Terramity Addon. Share: how many of the modpacks with Lethality - A Terramity Addon also have that mod.

    ProjectTypeShareGrade
    TerramityCModin 100% of the modpacks with Lethality - A Terramity AddonL_Ender's CataclysmBModin 87% of the modpacks with Lethality - A Terramity AddonIron's Spells 'n SpellbooksAModin 78% of the modpacks with Lethality - A Terramity AddonAlex's CavesCModin 77% of the modpacks with Lethality - A Terramity AddonAttributeFixAModin 76% of the modpacks with Lethality - A Terramity AddonMowzie's MobsBModin 74% of the modpacks with Lethality - A Terramity AddonRelicsAModin 72% of the modpacks with Lethality - A Terramity AddonMmmMmmMmmMmmAModin 68% of the modpacks with Lethality - A Terramity AddonYUNG's Better Nether FortressesAModin 65% of the modpacks with Lethality - A Terramity AddonBrutality - A Terramity AddonCModin 61% of the modpacks with Lethality - A Terramity Addon
    1 to 10 of 30123

    Latest files

    The newest file for each Minecraft version and loader. The files for recent versions come first. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    1.20.1·Forge0.4.1-Hotfix0.4.1-Hotfix · lethality_0.4.1_1.20.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge0.10.1 · lethality-0.1-1.20.1-all.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    6 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.1The latest file for its Minecraft version and loader·Forge0.4.1-Hotfix0.4.1-Hotfix · lethality_0.4.1_1.20.1.jar·14 Dec 2025PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 3.4 MB
    1.20.1·Forge0.4.00.4.0 · lethality_0.4.0_1.20.1.jar·14 Dec 2025PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 3.4 MB
    1.20.1·Forge0.3.10.3.1 · lethality-0.3.1-1.20.1.jar·22 Jul 2025PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 3.2 MB
    1.20.1·Forge0.30.3 · lethality-0.3-1.20.1.jar·13 Jul 2025PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 3.2 MB
    1.20.1·Forge0.20.2 · lethality-0.2-1.20.1.jarBeta·12 Jun 2025PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 2.4 MB
    1.20.1The latest file for its Minecraft version and loader·Forge0.10.1 · lethality-0.1-1.20.1-all.jar (main file)Beta·7 Jun 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 2.3 MB

    Quick fixes

    In the last 2 years, 1 release needed a quick fix: a new release within 3 days to fix a problem. This counts in the grade, but it is too few to lose points.

    See them, newest first
    • Lethality 0.4.1 (Hotfix)14 Dec 2025