🔧 Character Configuration
⚙️ Equipment & Modules
Calculating your survivability...
🎯 EHP Optimization Tips
Defense provides exponential returns - high defense values offer more EHP per point than raw health increases. Aim for at least 300+ defense for optimal efficiency.
Shields regenerate automatically, making them incredibly valuable for sustained combat. Prioritize shield capacity and regeneration for long encounters.
Different enemies deal different damage types. Match your resistances to the content you're facing - fire for Pyromaniac, ice for Frost Walker, etc.
Some characters like Ajax excel at defense scaling, while others like Gley benefit more from health stacking. Choose modules that complement your character's strengths.
About The First Descendant EHP Calculator
Our advanced Effective Health Points (EHP) calculator is the most comprehensive survivability tool available for The First Descendant. Unlike basic health calculators, our tool accounts for the complex interactions between defense, resistances, shields, and damage reduction to give you the true measure of your character's survivability.
What is EHP?
Effective Health Points (EHP) represents the total amount of raw damage your character can absorb before dying, taking into account all defensive modifiers. For example, if you have 1000 health and 50% damage reduction, your EHP against that damage type would be 2000 - meaning you can effectively absorb twice as much damage as your raw health suggests.
How EHP is Calculated
Our calculator uses the official damage reduction formulas from The First Descendant:
- Defense Reduction: Damage Reduction = Defense / (Defense + 240 + Level × 8)
- Shield EHP: Shield Value / (1 - Total Damage Reduction)
- Health EHP: Health Value / (1 - Total Damage Reduction)
- Total EHP: Shield EHP + Health EHP
Advanced Features
- Character-Specific Calculations: Each Descendant has unique base stats and scaling - our calculator accounts for these differences
- Real-Time Updates: See how changes to your build instantly affect your survivability
- Resistance Optimization: Calculate EHP against specific damage types to optimize for particular content
- Build Comparison: Compare different module setups to find the optimal balance between offense and defense
- Mobile Responsive: Use the calculator on any device, anywhere
How to Use the EHP Calculator
Using our EHP calculator is simple and intuitive:
- Select Your Character: Choose your Descendant from the character selector to load appropriate base stats
- Enter Base Stats: Input your character's level, base health, shield, and defense values
- Add Modifiers: Include percentage bonuses from modules, external components, and reactors
- Set Resistances: Choose the damage type you want to optimize against and set your resistance value
- Calculate: Click the calculate button to see your total EHP and survivability analysis
Understanding the Results
The calculator provides several key metrics:
- Total EHP: Your character's effective health pool against the selected damage type
- Effective Health/Shield: Individual EHP contributions from health and shield
- Survival Rating: Letter grade from F to S+ indicating your overall survivability
- Optimization Tips: Personalized recommendations for improving your build
Optimization Strategies
Maximizing your EHP requires understanding the diminishing returns of different stats:
- Early Game (Levels 1-20): Focus on raw health and shield increases - defense scaling is less effective at low levels
- Mid Game (Levels 21-30): Begin investing in defense modules as the scaling becomes more efficient
- End Game (Levels 31-40): Prioritize defense and damage reduction for maximum EHP efficiency
- Content-Specific: Adjust resistances based on the enemies you're facing most often
Character-Specific Recommendations
- Ajax: Natural tank with high defense scaling - stack defense and health for maximum EHP
- Lepic: Balanced approach - moderate investment in all defensive stats works well
- Viessa: Focus on shield capacity and regeneration to complement ice abilities
- Gley: High health pool benefits - prioritize health modules and life steal effects
- Bunny: Speed-based survival - moderate EHP with high mobility is often optimal
Why Our Calculator is Superior
Our EHP calculator outperforms competitors in several key areas:
- Accuracy: Uses the exact formulas from the game's code, not approximations
- Completeness: Accounts for all defensive mechanics, including lesser-known interactions
- Speed: Real-time calculations with instant feedback
- Usability: Clean, intuitive interface that works on all devices
- Education: Detailed explanations help you understand why certain builds work
- Up-to-Date: Regular updates to match game patches and balance changes
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