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LIFE-XP Challenge

A hardcore progression challenge. Your attributes (health, speed, damage) scale dynamically based on your XP level. Highly configurable.

🌟 LIFE-XP Challenge

Modrinth CurseForge

Mod Loaders Minecraft Version Mod Version Wiki License

Survive, scale, and conquer. Turn your experience points into your most vital survival resource.

📖 What is LIFE-XP Challenge?

LIFE-XP Challenge is a hardcore progression and survival overhaul mod for Minecraft 1.21.2 or 26.2, developed on a unified Architectury monorepo supporting both Fabric and NeoForge with 100% feature parity.

In vanilla Minecraft, experience levels are trivial—used merely for enchanting or anvil repairs, and mostly forgotten after reaching level 30. LIFE-XP binds your entire physical existence to your XP bar:

  • You begin vulnerable and fragile (starting with as little as 0.5 hearts in hardcore mode).
  • Every single experience level dynamically enhances 15 player attributes (Health, Speed, Attack Damage, Attack Speed, Toughness, Reach, Mining Speed, and more).
  • Your experience functions as an active Energy Shield, absorbing incoming attacks before they damage your health via custom alchemy.
  • Combat streaks grant exponential XP multipliers, but deaths impose a Smart Death Tax that heavily penalizes reckless mistakes.

✨ Game-Changing Mechanics

Feature Description
$O(1)$ Dynamic Scaling 15 player attributes smoothly scale using highly optimized $O(1)$ math. No server freezes, even if you receive 50,000 levels at once.
Visual Peril System Immersive vignette and ambient ash particles at low experience levels. Replaces legacy fog, resolving chunk culling drops.
Persistent Kill Streaks Up to +100% XP from mob kills. Streaks are now saved to player NBT, persisting across sessions with a 5-minute AFK timeout.
Right-Click & AoE Harvest Instantly harvest and replant mature crops with Right-Click. Enchant tools with XP Harvester 2+ for AoE crop gathering and a strict 6-block Ore VeinMiner.
Data-Driven Enchants Extract mod artifacts directly from the water using the Anomaly Angler enchantment.
Brewable XP-Shield Damage drains XP before health, but only if you brew the custom XP-Shield Potion (up to 75% absorption).
Origins-Style Presets First-time joiners are greeted with a mandatory, unclosable GUI to select and permanently lock their difficulty preset.
Interactive UI Clean HUD with 10 XP bubbles, color-shifting level text, paginated /lifexp status, and color-ranked /lifexp top leaderboards.

Mechanics Showcase

📦 Installation & Requirements

System Requirements

  • Minecraft: 26.2 (1.21.1 Supported)
  • Java: 25+
  • Mod Loaders: Fabric Loader or NeoForge

Fabric Installation

  1. Install Fabric Loader 26.2.
  2. Place required dependencies into your .minecraft/mods/ folder:
  1. Drop life_xp_challenge-1.6.2-fabric.jar into mods/.

NeoForge Installation

  1. Install NeoForge 26.2.
  2. Place required dependencies into your .minecraft/mods/ folder:
  1. Drop life_xp_challenge-1.6.2-neoforge.jar into mods/.

🧬 Core Progression & Mechanics

Mathematical Scaling Model

Attributes are recalculated dynamically across three anchor points: startValue (Lvl 0), midValue (Lvl maxLevel / 2), and endValue (Lvl maxLevel)

Scaled Attributes

  • Combat: Max Health (max_health), Attack Damage (attack_damage), Attack Speed (attack_speed), Sweeping Damage Ratio (sweeping_damage_ratio).
  • Defense & Agility: Movement Speed (movement_speed), Sneak Speed (sneaking_speed), Armor Toughness (armor_toughness), Knockback Resistance (knockback_resistance), Safe Fall Distance (safe_fall_distance).
  • Utility & Survival: Block Reach (block_interaction_range), Entity Reach (entity_interaction_range), Mining Speed (block_break_speed), Submerged Mining (submerged_mining_speed), Underwater Oxygen (oxygen_bonus), Fire Burning Duration (burning_time).

⚔️ Combat & Alchemy (XP-Shield)

🛡️ Potion-Based XP-Shield

Forget passive shields. Survival now requires alchemy. The XP-Shield absorbs incoming damage after armor calculations by burning your experience points (1:1 ratio).

  • Brewing a Shield Core: A new crafting ingredient required to initiate the brewing process.
  • Level I (25% Absorption): Awkward Potion + Shield Core (Base: 3:00 | Extended: 8:00 with Redstone).
  • Level II (50% Absorption): Level I + Glowstone Dust (1:30).
  • Level III (75% Absorption): Level II + Nether Star (1:00).
  • Warning: If you take fatal damage and run out of XP, the shield breaks and the remaining damage instantly hits your health pool.

🧪 Utility Items & Recipes

1. Shield Core (shield_core)

  • The core catalyst for brewing XP-Shield potions.

Shield Core Recipe

2. Life Bottle (life_bottle)

  • Saves all 41 inventory slots upon death into an invulnerable ground entity.
  • Void Protection: Rescues your inventory even if you fall into the End Void.
  • Hold Shift + Right-Click to unpack equipment directly into their original slots.

Life Bottle Recipe

3. Dynamic XP Bottle (dynamic_xp_bottle)

  • Hold Shift + Right-Click to siphon player XP into the bottle (10% storage tax).
  • Press Right-Click to instantly reclaim stored XP.

Dynamic XP Bottle Recipe

🎚️ Difficulty Presets

Upon joining the world for the first time, an unclosable GUI will prompt you to choose your destiny. Once chosen, your preset is locked to your character forever via NBT.

Setting ☠ core 💎 core_no_streaks ⚔️ purist 💚 vanilla_plus
Starting Health 1.0 HP (0.5 heart) 1.0 HP 1.0 HP 6.0 HP (3 hearts)
Max Health 40.0 HP (20 hearts) 40.0 HP 40.0 HP 24.0 HP (12 hearts)
maxLevel Cap 1,000 1,000 1,000 500
Kill Streaks Enabled Disabled Disabled Enabled
Dynamic Visuals Vignette Vignette Disabled Disabled
Base Death Tax 100% 100% 100% 50%

(Extreme profiles like baby_mode and real_hardcore are also available in the menu).

🏗️ Architecture

LIFE-XP-Challenge-Architectury/
├── common/                  # Unified multi-loader core logic
│   ├── client/              # In-game HUD overlay & GUI screens
│   ├── compat/              # JEI & EMI native integration plugins
│   ├── config/              # JSON engine, presets, and YACL builder
│   ├── effect/              # Custom MobEffects (XP-Shield)
│   ├── mixin/               # Clumps-XP optimization & Damage interception
│   ├── network/             # Architectury S2C/C2S packet networking
│   └── service/             # Attribute O(1) scaling, Kill Streaks, Advancements
├── fabric/                  # Fabric Loader entrypoints & ModMenu integration
└── neoforge/                # NeoForge entrypoints & IConfigScreenFactory

📚 Documentation

For exhaustive technical documentation, developer internals, mixin injection pipelines, and math references, visit our official GitHub Wiki!

📜 License

MIT — © 2026 Heysh1n

Made with ❤️ by Heysh1n

LIFE-XP Challenge Team

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