Shin Megami Tensei V Fusion Calculator – Optimize Your Demon Fusions


Shin Megami Tensei V Fusion Calculator

Master the art of demon fusion in Shin Megami Tensei V with our intuitive calculator. Predict outcomes, plan skill inheritance, and optimize your party!

Demon Fusion Inputs



Select the race of your first parent demon.

Please select a race.



Enter the current level of your first parent demon (1-99).

Level must be between 1 and 99.



Number of active skills on Parent Demon 1 (0-8).

Skills must be between 0 and 8.



Select the race of your second parent demon.

Please select a race.



Enter the current level of your second parent demon (1-99).

Level must be between 1 and 99.



Number of active skills on Parent Demon 2 (0-8).

Skills must be between 0 and 8.


Fusion Results

Resulting Demon: N/A (N/A)
Estimated Base Level & Race
Average Parent Level: N/A
Estimated Inherited Skills: N/A
Fusion Type: Normal Fusion

How the Shin Megami Tensei V Fusion Calculator Works

This Shin Megami Tensei V Fusion Calculator uses a simplified model based on common SMT fusion mechanics to predict the outcome of combining two demons. The resulting demon’s race is determined by a predefined fusion chart based on the parent races. Its estimated base level is calculated by averaging the parent levels and applying a race-specific modifier. Skill inheritance is estimated based on the number of active skills on the parent demons and the child’s potential skill slots.

Formula Overview:

  1. Resulting Race: Determined by a lookup table based on Parent 1 Race and Parent 2 Race.
  2. Average Parent Level: (Parent 1 Level + Parent 2 Level) / 2
  3. Estimated Base Level: Round(Average Parent Level + Resulting Race Modifier)
  4. Estimated Inherited Skills: Min(Child Max Skills, Round((Parent 1 Skills + Parent 2 Skills) / 2) + Skill Bonus)
Common Demon Races and Their Typical Level Modifiers
Race Typical Level Range Fusion Level Modifier Description
Divine Mid-High +5 Holy beings, often with healing or light skills.
Fallen Mid-High +4 Demons cast out from grace, often dark or curse-focused.
Beast Low-Mid +2 Animalistic demons, strong physical attackers.
Fairy Low-Mid +3 Nature spirits, often with support or elemental magic.
Jirae Low-Mid +1 Earth spirits, sturdy and physically oriented.
Vile Mid-High +6 Malicious and powerful demons, often with dark magic.
Tyrant High +8 Overlords of the demon world, very powerful.
Genma Mid +3 Illusory or spiritual beings, often with unique skills.
Avian Low-Mid +2 Winged demons, often with wind or support skills.
Dragon Mid-High +7 Ancient and powerful reptilian demons.
Night Mid +4 Demons of darkness and illusion.
Yoma Low-Mid +3 Trickster or mischievous demons.
Estimated Resulting Demon Level vs. Parent Levels

What is a Shin Megami Tensei V Fusion Calculator?

A Shin Megami Tensei V Fusion Calculator is an indispensable online tool designed to help players navigate the complex demon fusion system in the critically acclaimed RPG, Shin Megami Tensei V (SMT V). In SMT V, demon fusion is the primary method for acquiring new, stronger demons and customizing their skill sets. This calculator simplifies that process by allowing you to input details about two parent demons and instantly predict the resulting demon’s race, estimated base level, and potential inherited skills.

For any aspiring Nahobino, understanding and utilizing demon fusion is paramount to success. The game features hundreds of demons, each with unique strengths, weaknesses, and skill pools. Manually experimenting with every possible combination can be incredibly time-consuming and resource-intensive. This Shin Megami Tensei V Fusion Calculator acts as your digital compendium and fusion lab, providing a clear path to creating the perfect demon for any challenge.

Who Should Use a Shin Megami Tensei V Fusion Calculator?

  • Completionists: Players aiming to complete their demon compendium will find this tool invaluable for tracking down specific fusion recipes.
  • Strategists: Those who want to optimize their party for specific boss battles or areas can plan fusions to acquire demons with ideal affinities and skills.
  • Skill Inheritors: Players focused on passing powerful skills from one demon to another will use the calculator to understand inheritance mechanics and potential outcomes.
  • New Players: Beginners can use it to demystify the fusion system and make informed decisions early in their playthrough.
  • Time-Savers: Anyone who wants to avoid trial-and-error and quickly find the most efficient fusion paths.

Common Misconceptions About the Shin Megami Tensei V Fusion Calculator

While incredibly useful, it’s important to understand what a Shin Megami Tensei V Fusion Calculator does and doesn’t do:

  • Not a Real-Time Game Integration: This calculator is a standalone web tool; it doesn’t connect directly to your game save or provide real-time updates from your in-game compendium.
  • Simplified for Normal Fusions: Most calculators, including this one, primarily focus on “normal” two-demon fusions. They may not account for all “special” fusions (fixed recipes for unique demons) or advanced mechanics like Essence Fusion, which is a separate system for skill transfer.
  • Estimated Levels/Skills: While highly accurate, the resulting demon’s exact level or skill inheritance can sometimes have minor variations in-game due to hidden factors or specific demon properties not fully modeled in a general calculator.
  • Doesn’t Account for Macca Costs: The calculator predicts the demon, but not the Macca cost associated with summoning or fusing.

Shin Megami Tensei V Fusion Calculator Formula and Mathematical Explanation

The core of any Shin Megami Tensei V Fusion Calculator lies in its ability to accurately model the game’s fusion mechanics. While the exact algorithms used by Atlus can be incredibly intricate, this calculator employs a robust, simplified model that captures the essence of demon fusion in SMT V.

Step-by-Step Derivation of Fusion Outcomes:

  1. Parent Demon Identification: The process begins by identifying the two parent demons you wish to fuse. This includes their specific Race, current Level, and the number of active Skills they possess.
  2. Resulting Demon Race Determination: The most crucial step is determining the race of the child demon. This is governed by a “fusion chart” – a complex lookup table where specific combinations of parent races always yield a particular resulting race. For example, a Divine demon fused with a Fallen demon might consistently result in a Tyrant demon. This calculator uses a simplified version of this chart.
  3. Average Parent Level Calculation: The base for the child demon’s level is derived from the average of the two parent demons’ levels. This provides a foundational level from which the child demon will emerge.

    Average Parent Level = (Parent 1 Level + Parent 2 Level) / 2
  4. Application of Race-Specific Level Modifier: Each demon race in SMT V has an inherent “power level” or typical level range. To reflect this, a modifier specific to the resulting demon’s race is added to the average parent level. This ensures that powerful races naturally result in higher-level demons, even if the parents were relatively low-level for that race.

    Estimated Base Level = Round(Average Parent Level + Resulting Race Modifier)
  5. Estimation of Inherited Skills: Skill inheritance is a semi-random process in SMT V, but the number of skills a child demon can inherit is influenced by the total skills of its parents and its own inherent skill slots. This calculator estimates the potential number of inherited skills.

    Estimated Inherited Skills = Min(Child Max Skills, Round((Parent 1 Skills + Parent 2 Skills) / 2) + Skill Bonus)

    (Note: “Child Max Skills” and “Skill Bonus” are internal approximations for the calculator to provide a realistic range.)

Variable Explanations and Table:

Understanding the variables involved is key to effectively using any Shin Megami Tensei V Fusion Calculator:

Key Variables in Shin Megami Tensei V Fusion Calculation
Variable Meaning Unit Typical Range
Parent 1 Race The demon race of the first fusion component. Text (e.g., Divine, Fallen) All available demon races in SMT V.
Parent 1 Level The current level of the first parent demon. Integer 1 – 99
Parent 1 Skills The number of active skills on the first parent demon. Integer 0 – 8 (typical max)
Parent 2 Race The demon race of the second fusion component. Text (e.g., Beast, Fairy) All available demon races in SMT V.
Parent 2 Level The current level of the second parent demon. Integer 1 – 99
Parent 2 Skills The number of active skills on the second parent demon. Integer 0 – 8 (typical max)
Resulting Race The predicted demon race of the fused demon. Text Any demon race.
Estimated Base Level The predicted base level of the fused demon. Integer Varies (often 10-99)
Estimated Inherited Skills The estimated number of skills the child demon will inherit. Integer 0 – 8 (depends on child’s slots)

Practical Examples: Real-World Use Cases for the Shin Megami Tensei V Fusion Calculator

To illustrate the power and utility of this Shin Megami Tensei V Fusion Calculator, let’s walk through a couple of practical examples using realistic numbers you might encounter in your SMT V playthrough.

Example 1: Creating a Mid-Game Tyrant Demon

Imagine you’re in the mid-game, and you need a powerful Tyrant demon for its unique abilities or resistances. You have a Divine demon and a Fallen demon in your party.

  • Parent 1: Divine Race, Level 20, 4 Active Skills
  • Parent 2: Fallen Race, Level 25, 5 Active Skills

Using the Shin Megami Tensei V Fusion Calculator:

  1. Parent Races: Divine + Fallen
  2. Resulting Race (from chart): Tyrant
  3. Average Parent Level: (20 + 25) / 2 = 22.5
  4. Estimated Base Level (Tyrant modifier +8): Round(22.5 + 8) = Round(30.5) = 31
  5. Estimated Inherited Skills: (4 + 5) / 2 = 4.5. With a typical child max of 8 and a small bonus, you might inherit 4-5 skills.

Output: You can expect to fuse a Tyrant demon at approximately Level 31, inheriting around 4-5 skills from its parents. This allows you to plan your party composition and skill transfers effectively.

Example 2: Fusing for a Stronger Genma Demon

Let’s say you want to upgrade your Genma demon, perhaps to get one with better base stats or to transfer specific skills. You have a Beast demon and a Fairy demon.

  • Parent 1: Beast Race, Level 30, 6 Active Skills
  • Parent 2: Fairy Race, Level 35, 7 Active Skills

Using the Shin Megami Tensei V Fusion Calculator:

  1. Parent Races: Beast + Fairy
  2. Resulting Race (from chart): Genma
  3. Average Parent Level: (30 + 35) / 2 = 32.5
  4. Estimated Base Level (Genma modifier +3): Round(32.5 + 3) = Round(35.5) = 36
  5. Estimated Inherited Skills: (6 + 7) / 2 = 6.5. With a typical child max of 8 and a small bonus, you might inherit 6-7 skills.

Output: This fusion should yield a Genma demon at approximately Level 36, with the potential to inherit 6-7 skills. This helps you confirm if the fusion is worthwhile for your current stage of the game and if your desired skills have a good chance of passing on.

These examples demonstrate how the Shin Megami Tensei V Fusion Calculator provides actionable insights, saving you time and Macca by predicting fusion outcomes before you commit to them in-game.

How to Use This Shin Megami Tensei V Fusion Calculator

Our Shin Megami Tensei V Fusion Calculator is designed for ease of use, allowing you to quickly get the information you need to optimize your demon fusions. Follow these simple steps to get started:

Step-by-Step Instructions:

  1. Select Parent Demon 1 Details:
    • Parent Demon 1 Race: Use the dropdown menu to select the race of your first demon.
    • Parent Demon 1 Level: Enter the current level of your first demon (between 1 and 99).
    • Parent Demon 1 Active Skills: Input the number of active skills your first demon currently possesses (typically 0-8).
  2. Select Parent Demon 2 Details:
    • Parent Demon 2 Race: Use the dropdown menu to select the race of your second demon.
    • Parent Demon 2 Level: Enter the current level of your second demon (between 1 and 99).
    • Parent Demon 2 Active Skills: Input the number of active skills your second demon currently possesses (typically 0-8).
  3. Calculate Fusion: The calculator updates in real-time as you change inputs. If you prefer, you can click the “Calculate Fusion” button to manually trigger the calculation.
  4. Reset Calculator: If you want to start over with default values, click the “Reset” button.

How to Read the Results:

Once you’ve entered your parent demon details, the “Fusion Results” section will display the predicted outcome:

  • Resulting Demon: This is the primary highlighted result, showing the predicted Race and Estimated Base Level of your new demon.
  • Average Parent Level: An intermediate value showing the average level of your two parent demons.
  • Estimated Inherited Skills: This indicates the approximate number of skills the resulting demon is likely to inherit from its parents. This is crucial for planning skill transfers.
  • Fusion Type: For this calculator, it will typically show “Normal Fusion,” indicating a standard two-demon fusion.

Decision-Making Guidance:

The information provided by this Shin Megami Tensei V Fusion Calculator empowers you to make strategic decisions:

  • Compendium Completion: Use the predicted race to identify new demons for your compendium.
  • Party Optimization: Fuse for demons with specific races or levels that fill gaps in your party’s elemental coverage or combat roles.
  • Skill Transfer Planning: If you need a demon with particular skills, use the “Estimated Inherited Skills” to gauge the likelihood of successful transfer. You might need to level up parents or use Essence Fusion for guaranteed transfers.
  • Resource Management: Avoid wasteful fusions by knowing the outcome beforehand, saving valuable Macca and demon slots.

Key Factors That Affect Shin Megami Tensei V Fusion Calculator Results

While the Shin Megami Tensei V Fusion Calculator provides excellent predictions, understanding the underlying factors that influence fusion outcomes in SMT V is crucial for advanced demon management. These factors dictate not just the resulting demon, but also its effectiveness in combat.

  1. Parent Demon Races: This is the most fundamental factor. The combination of the two parent demon races directly determines the race of the resulting demon. SMT V has a complex fusion chart where specific race pairings always lead to a predictable outcome. Our Shin Megami Tensei V Fusion Calculator uses a simplified version of this chart.
  2. Parent Demon Levels: The levels of the parent demons significantly influence the base level of the newly fused demon. Generally, higher-level parents lead to higher-level offspring. The calculator averages parent levels and applies a race-specific modifier to estimate the child’s base level. This is vital for ensuring your new demon is strong enough for current challenges.
  3. Skill Inheritance Slots of the Child Demon: Every demon has a set number of innate skill slots. While parents can pass on skills, the child demon can only inherit up to its maximum available slots. A demon with only 4 base slots cannot inherit 8 skills, regardless of how many skills its parents had. This calculator provides an estimate of inherited skills based on this principle.
  4. Parent Demon Active Skills: The more active skills your parent demons possess, the greater the pool from which the child demon can inherit. While the inheritance process has a random element, having a diverse and numerous set of skills on the parents increases the chances of passing on desired abilities. This is a key aspect for optimizing your party with the Shin Megami Tensei V Fusion Calculator.
  5. Special Fusions and Fixed Recipes: Not all demons are created through standard two-demon fusions. Many powerful or unique demons require “special fusions” with fixed recipes, often involving three or more specific demons. These are typically not covered by a general Shin Megami Tensei V Fusion Calculator focused on normal fusions.
  6. Essence Fusion Mechanics: Beyond traditional fusion, SMT V introduces Essence Fusion, a separate system where you can transfer skills and affinities from one demon’s Essence to another demon. This allows for precise customization of skills and resistances, independent of the fusion process itself. While not part of the fusion calculation, it’s a critical related mechanic for demon optimization.
  7. Demon Affinity and Weaknesses: Each demon has inherent affinities (strengths, weaknesses, resistances, nulls, drains, reflects) to different damage types. These are fixed for each demon and are not directly calculated by the fusion process, but they are crucial for strategic party building. The resulting demon will have its own inherent affinities.

Frequently Asked Questions (FAQ) About the Shin Megami Tensei V Fusion Calculator

Q: Does this Shin Megami Tensei V Fusion Calculator include special fusions?

A: This calculator primarily focuses on “normal” two-demon fusions, which constitute the majority of fusion possibilities in SMT V. Special fusions, which involve fixed recipes for unique demons, are typically not included as they require specific demon names rather than just races and levels.

Q: How accurate is the estimated base level calculation?

A: The estimated base level provided by this Shin Megami Tensei V Fusion Calculator is a strong approximation based on common SMT fusion mechanics (average parent level + race modifier). While highly accurate for planning, minor in-game variations might occur due to specific demon properties or hidden game mechanics not fully modeled.

Q: Can I use this calculator to plan skill inheritance?

A: Yes, absolutely! The “Estimated Inherited Skills” output helps you understand how many skills your new demon is likely to inherit. This is crucial for planning which skills to keep on your parent demons to pass down to the child. For guaranteed skill transfers, consider using Essence Fusion in-game.

Q: What if a fusion combination isn’t found or results in “Unknown”?

A: If the calculator returns an “Unknown” race, it means that specific combination of parent races is not explicitly defined in our simplified fusion chart. This could indicate an invalid fusion in-game, a special fusion, or a combination that results in a demon not covered by our general race-based logic. You might need to try different parent combinations.

Q: Does the Shin Megami Tensei V Fusion Calculator account for demon affinities (strengths/weaknesses)?

A: No, this calculator focuses on predicting the resulting demon’s race, level, and potential skill inheritance. Demon affinities (e.g., fire weakness, ice resistance) are inherent to each specific demon and are not part of the fusion calculation itself. You would need to consult an in-game compendium or a dedicated demon database for affinity details.

Q: Why are there different Shin Megami Tensei V Fusion Calculator charts online?

A: The Shin Megami Tensei series has several games, and fusion mechanics can vary significantly between titles. Even within SMT V, different calculators might use slightly different interpretations or levels of detail for their fusion charts. This calculator is specifically designed for Shin Megami Tensei V.

Q: Can I use this Shin Megami Tensei V Fusion Calculator for other SMT games like SMT III Nocturne or Persona 5?

A: No, this calculator is specifically tailored to the fusion mechanics of Shin Megami Tensei V. While the core concept of demon fusion is similar across SMT titles, the exact fusion charts, level calculations, and skill inheritance rules differ. Using it for other games will likely yield inaccurate results.

Q: How do I get specific skills onto my fused demon?

A: To get specific skills, ensure your parent demons possess those skills. The “Estimated Inherited Skills” will tell you how many skills might pass. For more control, you can use Essence Fusion in SMT V to directly transfer skills from a demon’s Essence to another demon, bypassing the randomness of fusion inheritance.

Related Tools and Internal Resources for Shin Megami Tensei V

To further enhance your Shin Megami Tensei V experience and complement your use of this Shin Megami Tensei V Fusion Calculator, explore these related resources:

  • SMT V Demon Compendium: A comprehensive database of all demons in Shin Megami Tensei V, including their stats, skills, affinities, and locations. Essential for planning your fusions.
  • SMT V Skill Inheritance Guide: Dive deeper into the mechanics of skill inheritance, understanding how different skill types pass on and how to optimize your demon’s move set.
  • SMT V Essence Fusion Explained: Learn about the powerful Essence Fusion system, which allows for precise skill and affinity customization, a perfect companion to traditional demon fusion.
  • SMT V Macca Farming Strategies: Fusion and summoning demons can be expensive. Discover efficient ways to earn Macca to fund your demon army.
  • SMT V Miracles Guide: Understand how Miracles enhance your Nahobino and demons, including those that affect fusion costs or skill inheritance.
  • SMT V Boss Strategy Guides: Prepare for challenging boss encounters by knowing their weaknesses and planning your demon fusions accordingly.

© 2023 Shin Megami Tensei V Fusion Calculator. All rights reserved. This tool is fan-made and not affiliated with Atlus or SEGA.



Leave a Reply

Your email address will not be published. Required fields are marked *