
JJK BlackFlash Addon
This is an add-on mod for the Jujutsu Kaisen mod by "Orca_san_". All attacks become black flashes
Screenshots

About this Mod
JJK BlackFlash Addon
English
This is a simple addon for the JujutsuCraft mod.
It makes every attack (including cursed techniques and player's summons/shikigami) count as a Black Flash.
Whenever you hit an entity, it will trigger the Black Flash visual effect and deal increased damage (default ×2.5, configurable), simulating a confirmed Black Flash every time. It also automatically applies the Zone effect and clears fatigue.
New in v1.2.1:
- Summons Support: Your tamed Shikigami and summoned Cursed Spirits can now trigger Black Flash (Configurable).
- Effect Intensity: You can now adjust the amount of Black Flash particles/effects (Configurable).
Installation:
- Install Minecraft Forge 1.20.1.
- Install JujutsuCraft mod.
- Drop this
jjk_blackflash-1.2.1.jarinto yourmodsfolder.
日本語
これは JujutsuCraft (呪術廻戦MOD) のためのアドオンMODです。
すべての攻撃(物理打撃、術式、プレイヤーの召喚した式神や呪霊の攻撃)が「黒閃」として扱われるようになります。
敵を攻撃するたびに、黒閃の演出が発生し、ダメージが増加します(デフォルト2.5倍、コンフィグで変更可能)。すべての攻撃が黒閃確定となり、同時にゾーン効果の付与と疲労の回復も行われます。
v1.2.1 新機能:
- 召喚獣の対応: プレイヤーがテイムした式神や召喚した呪霊も黒閃を出せるようになりました(コンフィグでON/OFF可能)。
- エフェクト量: 黒閃のエフェクトの量をコンフィグで調整できるようになりました。
導入方法:
- Minecraft Forge 1.20.1 をインストールしてください。
- JujutsuCraft MOD を導入してください。
- この
jjk_blackflash-1.2.1.jarをmodsフォルダに入れてください。
免責事項:
このMODはJujutsuCraftの非公式アドオンであり、Orca_san_氏とは関係ありません。不具合が発生した場合はこのMODを削除してください。
Available Versions
How to Install JJK BlackFlash Addon on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.20.1).
Install Mod
Open the mod browser in the dashboard and search for "JJK BlackFlash Addon". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.1
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
JJK BlackFlash Addon server crashes on startup – what to do?
Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.20.1). You can switch loaders with one click in the panel.
Is JJK BlackFlash Addon compatible with forge?
JJK BlackFlash Addon officially supports forge for Minecraft 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with JJK BlackFlash Addon – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if JJK BlackFlash Addon consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
Similar Mods
Rent Modded Server
Install JJK BlackFlash Addon with just one click on your server.