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[ISS LM]Legendary Mage
Legendary Mage is a magic expansion mod for Minecraft NeoForge 1.21.1 built on top of Iron's Spellbooks. It features a brand-new Elemental Reaction System alongside a collection of uniquely designed spells.
Screenshots

About this Mod
🧙 Legendary Mage
Unleash Your Arcane Potential
📖 Overview
Legendary Mage is a NeoForge 1.21.1 magic expansion mod built upon Iron's Spells 'n Spellbooks, introducing a brand-new Elemental Reaction System and uniquely designed spells.
🎭 Translation Note: Currently using translation tools, so there may be inaccuracies. Feedback and corrections via GitHub Issues are greatly appreciated!
⚡ Core Mechanics
| Mechanic | Description |
|---|---|
| Elemental Mark System | Apply elemental marks to targets; accumulate to thresholds to trigger special effects |
| Level 2 Threshold | Can participate in elemental reactions |
| Level 3 Threshold | Triggers elemental debuff effects |
| Datapack Extension | Supports custom elemental reactions and compatibility with third-party magic mods |
🔥 Elemental Debuffs
Triggered when elemental marks reach Level 3 (unless specially noted)
1. Fire 🔥
| Version | Effect |
|---|---|
| ≤ V1.0.3 | -5% max HP per level + magic damage |
| ≥ V1.0.4 | -2% max HP per level + magic damage |
2. Eldritch 👁️
| Feature | Effect |
|---|---|
| Special | No level prerequisite, takes effect immediately |
| Effect | -10% max HP per level |
3. Ice ❄️
| Condition | Effect |
|---|---|
| Ice Mark Level 3 | Freeze target once (crowd control) |
4. Lightning ⚡ V1.0.4 Added
| Feature | Value |
|---|---|
| Effect | Electrocution: Periodically releases chain lightning to nearby enemies |
| Damage Bonus | +5 damage per level |
| Cooldown | 3 seconds |
| Stacking | Levels stackable |
5. Poison ☠️
| Version | Effect |
|---|---|
| ≤ V1.0.3 | Poison: DoT damage, stackable |
| ≥ V1.0.4 | Armor Melting: -2% armor per level, stackable |
6. Ender 🖤
| Condition | Effect |
|---|---|
| Ender Mark Level 3 | 50% chance to trigger Echo Strike |
7. Holy ✨ V1.0.4 Added
| Condition | Effect | Value |
|---|---|---|
| Holy Mark Level 3 | Divine Strike | 20 damage, CD 5s |
8. Dark 🌑 V1.0.4 Added, V1.0.5 Reworked
| Version | Effect |
|---|---|
| V1.0.5 | Lightless Night: -5% spell resistance per level, stackable |
⚗️ Elemental Reactions V1.0.4 Added
| Combination | Name | Effect |
|---|---|---|
| 🔥 Fire + ❄️ Ice | Melt | Single damage boost |
| 🔥 Fire + ⚡ Lightning | Thundercall | Summon lightning strike at target |
| 🔥 Fire + ☠️ Poison | Detonation | Increase Fire Buff by 1 level |
| ⚡ Lightning + ☠️ Poison | EMP | Consume Electrocution to release EMP wave |
| ❄️ Ice + ⚡ Lightning | Superconduct | Gain Lightning Rod Buff (-5% Ice/Lightning resistance) |
| 🌑 Dark + ☠️ Poison | Plague | Continuous corrosion V1.0.4 added |
| 🖤 Ender + Any Element | Final Echo | Spell power + resistance boost |
| 👁️ Eldritch + 🌑 Dark | Chaos | Significant spell power boost |
📦 Datapack Support
V1.0.5+ Full datapack extension support
- ✅ Add custom elemental marks to any spell school
- ✅ Create new elemental reactions
- ✅ Seamless compatibility with third-party magic mods
📚 Documentation: Legendary-Mage Wiki
Available Versions
How to Install [ISS LM]Legendary Mage on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set neoforge Loader
In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "[ISS LM]Legendary Mage". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
[ISS LM]Legendary Mage server crashes on startup – what to do?
Most common cause: wrong neoforge 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 (1.21.1). You can switch loaders with one click in the panel.
Is [ISS LM]Legendary Mage compatible with neoforge?
[ISS LM]Legendary Mage officially supports neoforge for Minecraft 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with [ISS LM]Legendary Mage – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if [ISS LM]Legendary Mage 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.
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