// modpack server guide
Jujutsu Kaisen (Sorcery Fight) server hosting & setup guide
A Jujutsu Kaisen (Sorcery Fight) server needs Java 17 and about 2.5–4 GB of RAM for up to 8 players.
Jujutsu Kaisen is a Modpack based on the Anime/Manga "Sorcery Fight" by Gege Akutami.
Summary from Jujutsu Kaisen (Sorcery Fight) on Modrinth.
Jujutsu Kaisen (Sorcery Fight) is a Forge modpack for Minecraft 1.20.1 with 65 mods, 49 of which run on the server. We'd pick our Standard plan (4 GB) for it.
Quick facts
| Loader | Forge |
|---|---|
| Minecraft versions | 1.20.1 |
| Java needed | Java 17 for Minecraft 1.20.1 Java version chart. |
| Mods | 49 run on the server65 in the pack. The other 16 are client-only, and the server skips them. |
| RAM | About 2.5–3 GB for 1–3 playersBy player count. |
| Downloads | 333,524 on Modrinth |
| Last updated | October 2, 2026 (version 1.2.0) |
| First published | October 1, 2024 on Modrinth |
| Server support | Required: the pack has mods that must run on the server. |
| Server pack | JujutsuKaisen(Sorcery Fight)+Server-[1.2.0].zipOfficial server pack on CurseForge, for JujutsuKaisen(Sorcery Fight)-[1.2.0], the same version Modrinth has. Checked October 5, 2026. |
| Modrinth tags | adventure, challenging, combat, optimization |
Jujutsu Kaisen (Sorcery Fight) server files
Yes, on CurseForge. Modrinth has no separate server pack for Jujutsu Kaisen (Sorcery Fight), but the authors publish one on CurseForge: JujutsuKaisen(Sorcery Fight)+Server-[1.2.0].zip, for JujutsuKaisen(Sorcery Fight)-[1.2.0] (October 2, 2026). That's the same version Modrinth has.
How much RAM does a Jujutsu Kaisen (Sorcery Fight) server need?
| Players online | RAM | DSN plan |
|---|---|---|
| 1–3 players | About 2.5–3 GB | Standard (4 GB) |
| 4–8 players | About 2.5–4 GB | Standard (4 GB) |
| 9–15 players | About 3.5–5 GB | Premium (8 GB)Standard (4 GB) can do if players stay close. |
Estimated from 49 mods on the server with our RAM calculator, not measured: low end if players stay together, high end if they spread out.
Set Java's heap (-Xmx) 10–15% under the RAM you have, about -Xmx3500M on 4 GB. Forge 1.20.1 reads it from user_jvm_args.txt: uncomment the -Xmx line. RAM guide.
Jujutsu Kaisen (Sorcery Fight) server requirements
| Java | Java 17 |
|---|---|
| Loader | Forge for Minecraft 1.20.1 |
| CPU | Fast single-core speed (one main thread). |
| RAM | About 2.5–5 GB for 1–15 players (table above) |
| Disk | The server files, a growing world and backups |
| Network | TCP port 25565 open to players |
Recommended plan
Our pick for Jujutsu Kaisen (Sorcery Fight)
Standard
4 GB RAM · planned launch price $16/month
At about 49 Forge mods this is a light pack, so 4 GB of RAM covers it for a small group.
Ordering is closed until we relaunch. We aren't taking orders or payments while we move to new hardware. Join the launch list and we'll email you when Standard servers open.
More than 8 players, or lots exploring at once? Go up to Premium (8 GB). Not sure? Email hello@dsnservers.com.
Planned launch price in USD, billed monthly once ordering opens, with a 7-day refund window.
How to make a Jujutsu Kaisen (Sorcery Fight) server on your own PC
What's specific to Jujutsu Kaisen (Sorcery Fight), step by step. The full walkthrough for any pack: how to make a modded Minecraft server.
- Install Java 17.
Check with
java -version. Java version chart. - Get the server files.
Download the official server pack,
JujutsuKaisen(Sorcery Fight)+Server-[1.2.0].zip, from CurseForge and unzip it into an empty folder. - Start it and accept the EULA.
Run the start script in the server files, or the
run.sh/run.batthe Forge 1.20.1 installer writes, then seteula=trueineula.txtif you accept Mojang's EULA (EULA step). - Set the RAM with
-Xmx, sized from the table above. - Let friends connect: forward TCP 25565, or use a tunnel or host behind CGNAT (can't connect?).
Or run Jujutsu Kaisen (Sorcery Fight) on DSN
Once we relaunch (join the launch list), on DSN you'd install Jujutsu Kaisen (Sorcery Fight) from the panel's Modrinth modpack installer (version 1.2.0), pick Java 17 on the Startup tab and accept the EULA in the console. No port forwarding.
How to play Jujutsu Kaisen (Sorcery Fight) with friends
Each player installs Jujutsu Kaisen (Sorcery Fight) version 1.2.0 with the Modrinth App or Prism Launcher, the same version as the server, and adds the server's address under Multiplayer.
Different versions of Jujutsu Kaisen (Sorcery Fight) on the server and a client show up as Mismatched mod channel list or mod rejections. Why friends can't join, timeouts included.
Lag and performance on Jujutsu Kaisen (Sorcery Fight)
Can't keep up! Is the server overloaded? means ticks take longer than 50 ms; more RAM won't fix that once Jujutsu Kaisen (Sorcery Fight) has enough (tick lag guide). For Jujutsu Kaisen (Sorcery Fight):
- Measure first: spark's
/spark tpsand profiler work on 1.20.1 and name the mod or machine using the tick time. - Distances:
view-distance=8and a lowersimulation-distanceinserver.properties. - Pre-generate: Chunky for 1.20.1,
/chunky radius 3000then/chunky start, before people explore.
Common Jujutsu Kaisen (Sorcery Fight) crashes
What a Forge 1.20.1 server running Jujutsu Kaisen (Sorcery Fight) hits most. For any other error, paste the log into the free crash log analyzer.
- Wrong Java version. Jujutsu Kaisen (Sorcery Fight) on Minecraft 1.20.1 needs Java 17. Started on Java 8, it stops with
UnsupportedClassVersionError: ... class file version 61.0, this version of the Java Runtime only recognizes class file versions up to 52.0. Java version fix. - Out of memory. Jujutsu Kaisen (Sorcery Fight) (49 mods on the server) needs about 2.5–3 GB for 1–3 players;
java.lang.OutOfMemoryErrormeans it ran out. Out-of-memory fix. - Client-only mod on the server. Jujutsu Kaisen (Sorcery Fight) includes 16 client-only mods, which a server install skips; copying a player's mods folder brings them back and stops the server. Check a mods list with the client-or-server-side checker. Client-only mod fix.
- After adding or updating a mod. Mods you add to Jujutsu Kaisen (Sorcery Fight) by hand usually crash it with a missing dependency or a mixin conflict.
- Ticking entity or block entity. The crash report names it and gives its coordinates. Ticking entity fix.
Updates and support
Before moving Jujutsu Kaisen (Sorcery Fight) past version 1.2.0, back up the world: see updating a modpack server without losing your world.
Bugs in Jujutsu Kaisen (Sorcery Fight) itself go to its authors: Discord. Server problems on DSN: hello@dsnservers.com or Discord.
Packs like Jujutsu Kaisen (Sorcery Fight)
More: all modpack guides and how to make a modded server.
Run Jujutsu Kaisen (Sorcery Fight) on DSN when we relaunch.
Our pick, Standard: 4 GB, planned at $16/month.
DSN Servers isn't affiliated with Jujutsu Kaisen (Sorcery Fight) or Modrinth. The pack's name, icon, summary and stats come from Modrinth's public API (checked October 4, 2026).