Mobbility [Addon: Spell Engine]

Mobbility [Addon: Spell Engine]

Gives mobs player spell-casting abilities for Spell Engine - cast spells with animations and cooldowns just like players.

by
436 Downloads
fabricforgemobs
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About this Mod

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Features

  • Player-Like Spell Casting: Mobs cast spells with animations and cooldowns, just like players
  • Automatic Ability Detection: Mobs with spell items automatically gain casting abilities on spawn
  • Tag-Based AI: Item tags determine wizard vs basic combat AI
  • Class Presets: Pre-configured loadouts spawn automatically (Archer, Assassin, Deadeye, War Archer, Warrior, Rogue, Fire Wizard, Arcane Wizard, Tundra Hunter, Wildling, Frozen Champion, Plaguebringer)

How It Works

When a mob spawns with Spell Engine items:

  1. Detection: System checks for items with Spell Engine spells
  2. Tag Check: Checks if item has wizard tags (staff/spellbook tags)
  3. AI Selection:
    • Has wizard tags → Wizard AI (maintains distance, strafes)
    • No wizard tags → Basic AI (standard attack behavior)
  4. Behavior: Mob uses appropriate AI based on item tags

Wizard Tags

Configure which items get wizard AI via tags in config/mobbility/spell_engine.toml:

Default Tags
[wizardAI]
staffTags = ["wizards:wands", "irons_spellbooks:staff", "wizards:staves", "paladins:staves"]
spellbookTags = ["curios:spellbook"]

Add custom tags to support items from other mods.

Configuration

Fully customizable via config/mobbility/spell_engine.toml:

Combat Class Settings
[combatClass]
speedModifier = 1.0
attackIntervalMin = 60
attackIntervalMax = 120
useCooldowns = true
preventFriendlyFire = true
spellBlacklist = []
Wizard Tags
[wizardAI]
staffTags = ["wizards:wands", "irons_spellbooks:staff", "wizards:staves", "paladins:staves"]
spellbookTags = ["curios:spellbook"]
Class Presets
[classPresets]
enabled = true
# Presets for Skeleton, Zombie, Husk, Stray, Drowned, Wither Skeleton (Archer, Assassin, Warrior, Rogue, Fire Wizard, Arcane Wizard, etc.)

Requirements

  • Minecraft: 1.20.1
  • Fabric Loader: 0.15.11+
  • Mobbility [Core]: Required core mod (Fabric version)
  • Spell Engine: The spell mod this addon integrates with
  • Fzzy Config: For configuration

Available Versions

Mobbility [Addon: Spell Engine] 1.0.0release
MC 1.20.1forge
March 25, 2026
Mobbility [Addon: Spell Engine] 1.0.0release
MC 1.20.1fabric
March 25, 2026

How to Install Mobbility [Addon: Spell Engine] on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.20.1).

3

Install Mod

Open the mod browser in the dashboard and search for "Mobbility [Addon: Spell Engine]". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabricforge

Minecraft Versions

1.20.1

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Mobbility [Addon: Spell Engine] server crashes on startup – what to do?

Most common cause: wrong fabric 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 Mobbility [Addon: Spell Engine] compatible with fabric and forge?

Mobbility [Addon: Spell Engine] officially supports fabric, forge for Minecraft 1.20.1. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Mobbility [Addon: Spell Engine] – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Mobbility [Addon: Spell Engine] 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.

Rent Modded Server

Install Mobbility [Addon: Spell Engine] with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
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1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
MIT License
Server-side
Required

Supported Versions

1.20.1