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Minecraft: Java Edition
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โฆ MultiverseCreatures โฆ
Themed creatures, bosses & legendary items pulled from across the multiverse
A Paper/Purpur/Spigot plugin that brings adaptive bosses, signature weapons, and themed mobs inspired by JoJo, Jujutsu Kaisen, Hollow Knight, Adventure Time, Arthurian legend, Half-Life, Scooby-Doo, Diablo and more.
๐ฅ Download on Modrinth ยท ๐ Full Wiki ยท ๐ Report Issues
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๐ฒ What is MultiverseCreatures?
MultiverseCreatures is a content plugin for Minecraft 1.21+ that turns a server into a multiverse playground. Every vanilla mob spawn has a chance to be replaced with a themed custom creature; each one has its own AI, drops specialized crafting ingredients, and is the source of a legendary item referencing a different universe.
โจ Core Highlights
- ๐ก๏ธ One Final Boss โ THE OBSIDIAN SENTINEL, a fully animated 5-phase ArmorStand boss with 33 unique attacks (13 aerial ยท 11 ground ยท 12 ranged), boss bar, megalovania music, magic seals, summoned reinforcements, and defensive states.
- ๐ง Adaptive Bosses โ Mahoraga reads your full inventory every tick and evolves its stats in real time (Sharpness โ Resistance, Protection โ Strength, Knockback โ knockback immunity, distance โ Speed).
- ๐ฅ Primordial Martial Bosses โ Garou [Hero Hunter] with Water Stream Rock Smashing Fist, cosmic approach blink, counter-attacks, and the Cosmic Core relic drop.
- โ๏ธ Legendary Weapons โ Excalibur, Cinder Greatsword, Nullshear Edge, Soulreap Scythe, Aether Pullshot, Skyfire Talisman โ each with passive + active abilities, cooldowns, and themed lore.
- ๐ฎ Themed Relics โ Ice King's Crown (ice projectile + blizzard + ice-path), Mantis Claws (wall-cling + wall-jump via packet interception), Wirt's Lantern (mob repel + Night Vision + immunity).
- ๐ช Armor Sets โ Eight-Handled Wheel (damage-cause adaptation), Obsidian Bastion (4-piece set bonus with +40% Health, knockback immunity, fire/lava immunity), plus off-hand relics Marrow Aegis (damage reflect), Veilwalker Mantle (stealth + backstab) and Frost Heart (chill aura + Frost Walker).
- ๐ Themed Food & Utility โ Scooby Cookie (Resistance VI), Head Slime Gelatin (Head Slime immunity), Military Mine (auto-camouflaged TNT).
- ๐ฟ Natural-spawn replacements for Zombies, Skeletons, Creepers, Spiders, Witches, Blazes, Iron Golems, Endermen, Wither Skeletons, Evokers, Slimes โ each with its own chance, fully configurable.
- ๐ Full-Moon Military Ambush โ a rare 0.1% chance during a Full Moon to spawn a ZombieHorseTrap that unleashes a 5-unit undead army.
- ๐ Multiverse Merchant โ 30% of Wandering Trader spawns become "Shaggy" with custom multiverse trades.
- ๐ต NBS Music Engine โ custom music playback (ships Megalovania as the boss theme).
- ๐ฎ Ritual Structures & Private Boss Dimension โ scaffolding for future boss invocation arcs.
- โ๏ธ Fully Configurable โ every spawn chance, boss stat, item cooldown, death message and effect amplifier lives in
config.yml.
๐ Documentation Wiki
The project has a complete documentation site built into the repository. It covers every boss, mob, item, command and config knob in detail โ all generated from the source code.
๐ Browse the full wiki on GitHub: https://github.com/Chagui68/MultiverseCreatures/tree/main/wiki
| Page | Topic |
|---|---|
| Home | Overview + featured themes |
| Bosses | THE OBSIDIAN SENTINEL ยท Mahoraga |
| Creatures | 14 natural-spawn replacement mobs + ZombieHorseTrap army |
| Weapons | Excalibur, Cinder Greatsword, Nullshear Edge, Soulreap Scythe, Aether Pullshot, Skyfire Talisman, Chaos Forge |
| Armor-and-Relics | Eight-Handled Wheel, Obsidian Bastion set, off-hand relics (Marrow Aegis, Veilwalker Mantle, Frost Heart) |
| Items | Ice King's Crown, Mantis Claws, Wirt's Lantern, Military Mine, Scooby Cookie, Head Slime Gelatin |
| Components | The 16 mob-drop crafting ingredients + the loot โ item chains |
| Commands | Full /msc reference (spawn, give, seal, dummy, attack, music, dimtp, cleanstands) |
| Architecture | Code structure, conventions and how to extend the plugin |
| Installation | Step-by-step install, config.yml guide, troubleshooting |
๐งฉ Extending: reusing the 42 boss attacks
The boss attacks live behind a small interface so they are not tied to one boss.
public interface BossHost {
MultiverseCreatures getPlugin();
void resetBossPose(BossInstance instance);
Player detectTarget(ArmorStand stand);
void spawnShockwaveWave(World world, Location center, double maxRadius);
// plus defaults: getValidPlayers, getValidPlayersNear, launchPlayer,
// getGroundY, isOnGround, countPlayersInRange, findNearestPlayer
}
Any boss that implements BossHost can reuse the attack classes as they are. 39 of the 42 are
host-agnostic; the remaining three reach for something only THE OBSIDIAN SENTINEL has โ the
netherite lance, the shield timings and the sky pentagram โ and cast explicitly, with a comment
saying so.
Terrain and player queries live in BossArena as stateless helpers, so they can be called from
anywhere and tested on their own. The "is this player a valid target?" rule (skip dead, creative
and spectator) is decided in exactly one place.
Heads-up if you are writing a non-ArmorStand boss: the attacks animate the boss through ArmorStand poses โ
setHeadPose,setBodyPose, arm poses โ over 250 calls across the 42 classes. A mob-based boss can reuse an attack's effect (damage, particles, projectiles) but not its choreography. Splitting each attack into "effect" and "animation" is the natural next step if that is needed.
๐ฆ Installation
- Download the latest
.jarfrom the Modrinth page. - Drop it into your server's
plugins/folder. - Start the server once to generate the default
config.yml. - (Optional) Edit
plugins/MultiverseCreatures/config.ymlto tune spawn chances, cooldowns, boss stats, death messages, and effect amplifiers. - Restart and enjoy. Use
/msc spawn <type>to summon anything, or wait for natural spawns to be replaced.
Requirements: Paper / Purpur / Spigot 1.21+ (built against
purpur-api 1.21.11) ยท Java 21+
A full install guide lives in the Installation wiki page.
๐ Build from Source
git clone https://github.com/Chagui68/MultiverseCreatures.git
cd MultiverseCreatures
mvn clean package -DskipTests
Output JAR will be at target/MultiverseCreatures-v<version>.jar.
๐ ๏ธ Commands (Quick Reference)
All interactions use the /msc command. Permission: msc.admin (server OP by default).
/msc spawn <type> Summon a mob/boss/merchant at your location
/msc give <item> [n] Obtain an item (amount 1โ64)
/msc seal <pattern> Render a particle seal pattern
/msc dummy ... Spawn/pose/an animation ArmorStand dummies
/msc attack <name> Trigger an ArmorStandBoss attack/mechanic
/msc music <play|stop> Play or stop NBS songs
/msc dimtp <world> Teleport across worlds
/msc cleanstands Remove all MSC-related armor stands
Full breakdown (alias tables, all spawn types, giveable items, attack names, seal patterns, dummy animations) is in the Commands wiki page.
๐บ๏ธ Project Structure
src/main/java/com/Chagui68/
โโโ MultiverseCreatures.java
โโโ commands/
โโโ entities/
โ โโโ boss/
โ โ โโโ attack/{aerial,ground,ranged}/
โ โ โโโ MagicSealListener / BossInstance
โ โโโ miniboss/
โ โโโ handler/
โโโ items/
โ โโโ armor/ components/ food/
โ โโโ misc/
โ โ โโโ offhand/
โ โโโ weapons/{melee,ranged,magic}/
โโโ listener/
โโโ music/
โโโ ritual/
โโโ utils/
wiki/
โโโ Home.md
โโโ Bosses.md
โโโ Creatures.md
โโโ Weapons.md
โโโ Armor-and-Relics.md
โโโ Items.md
โโโ Components.md
โโโ Commands.md
โโโ Architecture.md
โโโ Installation.md
The wiki/ folder is pure Markdown documentation and is excluded from the Maven build โ it lives only on GitHub for reference and is never bundled into the plugin JAR.
๐ License
GPL-3.0 โ MultiverseCreatures is open source.
Made with โ and a love of the multiverse.
If you enjoy the plugin, leave a โญ on GitHub and a โค on Modrinth!
โ๏ธ Upstream Attribution & License / Licencia y Crรฉditos
- Original Project / Upstream: Slimefun4 Community Addon.
- Port & Maintenance: DrakesCraft Labs team (Compatibility for Paper / Purpur 1.21.11).
- License: GPL-3.0 / MIT.
- Source Code: GitHub Repository
- Support & Issues: GitHub Issues | Discord
This project is an open-source derivative work maintained by DrakesCraft Labs under the terms of its original license. All original assets and concepts belong to their respective creators.


