Spell Engine

Mod

by daedelus_dev

🪄 Data driven magic library

Type

Mod

CurseForge Downloads

18,510,388

CurseForge ID

807653

Modrinth Downloads

5,058,723

Modrinth ID

XvoWJaA2

Last Updated

Jun 12, 2026

Description

SpellEngine is library mod (also known as an API) that lets developers create magic spells using, providing players with a complete spell-casting system including spell books, visual effects, and weapon integration.

📦 Installation

🎁 Installation via CurseForge app is strongly recommended, to automatically resolve all required mods.

Required

Additionally on Fabric:

Fabric API
slot mod: Trinkets or Accessories

Additionally on NeoForge:

Forgified Fabric API
slot mod: Accessories

⭐️ Content made with Spell Engine

🤝 Made by partners

📦 Built-in content

🗡️ Weapon skills 🪓

Weapon Skills

Explore a variety of melee attack skills, each of them designed for a specific weapon type, with unique features:

detailed collision detection
momentum and sliding
fancy animations

RPG Series content mods come with these skills assigned by default.

Automatically assigned to third-party and vanilla weapons, based on item id or item tag membership. (Config file: config/spell_engine/weapon_fallback.json)

🪄️ API Features

Data driven API

🗡️ Spells can be assigned to any weapon (data driven with automatic weapon compatibility)
🔮 Spells deal damage based on Spell Power entity attributes
✍️ Spells defined in JSON format with hot-reloading and network synchronization
📦 Spell Container System with proxy mode, equipment slots, and dynamic spell resolution
🔄 Universal pattern matching for tags, regex, and exact matches across all spell properties
🛠️ Programmatic spell generation with SpellBuilder and SpellGenerator for mod developers
⚙️ Spells have a comprehensive set of mechanical behaviours:
- Spell Types: Active (casted), Passive (triggered), Modifier (spell-modifying)
- Cast Modes: Instant, charged, channeled, with configurable haste effects
- Trigger System: 14+ trigger types (melee, arrow, spell, damage, evasion, roll, etc.) with conditional logic
- Targeting: Aim, Beam, Area, Caster, None, FromTrigger - with caps, conditions, and health-based limits
- Delivery: Direct, Projectile, Meteor, Cloud, ShootArrow, StashEffect, Custom - with delays and multi-placement
- Projectile Features: Homing, ricochet, bounce, pierce, chain reactions, divergence, custom hitboxes
- Impact Actions: Damage, Heal, StatusEffect, Fire, Teleport, Spawn, Cooldown, Aggro, Custom
- Conditional Logic: Target modifiers, impact filters, chance-based execution, entity type conditions
- Cost System: Exhaust, items/runes, cooldowns, durability, status effect consumption, with batching
- Equipment Sets: Set bonuses providing spells, attributes, and special abilities

Fancy audio and visuals

🔈 Advanced sound system: casting start/loop, release, impact, travel sounds with randomization
✨ Sophisticated particle system with shapes, entity following, scaling, and custom magical particles
🎨 Custom Item/Block models for projectiles, status effects, and spell clouds with BlockBench support
🤸 Player animations at all spell stages with pitch control and ranged weapon animation support
💡 Dynamic lighting integration (LambDynamicLights) for magical illumination
🌈 Customizable beam rendering with colors, textures, width, and flow effects
📍 Area effect visualization with ground indicators and range-scaled particles

In game features

🔧 Spell selection and casting visible on HUD (fully player configurable)
😌 QoL features: automatic spell cast release, client prediction, smart targeting
⛓️ Spell Binding Table for adding spells to weapons and creating spell books
📜 Spell Scroll system with creative tab generation and dungeon loot integration
🎒 Equipment integration: Spell books, trinket slots (Trinkets/Accessories), automatic weapon detection
⚡ Spell Infinity enchantment with configurable item tag support
🎮 Commands: /spell_cooldowns for server administration and debugging
💰 Advanced loot system with spell_bind_randomly function for dynamic spell assignment

Developer & Mod Integration

🔌 Extensive mod compatibility: Better Combat, Combat Roll, FTB Teams, Shoulder Surfing, and more
📊 Comprehensive event system for spell casting, healing, and projectile lifecycle
🏗️ Custom handler registration for delivery methods and impact actions
🎯 Entity predicate system for complex targeting conditions
🔧 Performance optimizations: batching, scheduling, client-side prediction
📝 Data generation framework for programmatic spell creation and validation
🌐 Multi-platform support (Fabric & NeoForge) with unified API