Shin Megami Tensei IV Fusion Calculator
Professional Demon Fusion Predictor for SMT IV Summoners
Select the race of your first fusion ingredient.
The base level of the first demon (before experience gains).
Select the race of your second fusion ingredient.
The base level of the second demon (before experience gains).
13.5
((Lvl1 + Lvl2) / 2) + 1
~2,450 Macca
*Note: This shin megami tensei iv fusion calculator assumes standard fusion rules. Special fusions and Element fusions may differ.
Level Scaling Visualization
Chart showing Input Levels vs. Resultant Fusion Threshold.
| Race A | Race B | Resulting Race |
|---|---|---|
| Herald | Megami | Tree |
| Herald | Avian | Tree |
| Megami | Tree | Herald |
| Divine | Yoma | Nymph |
| Flight | Nymph | Megami |
What is a Shin Megami Tensei IV Fusion Calculator?
A shin megami tensei iv fusion calculator is an essential tool for players of the critically acclaimed RPG, Shin Megami Tensei IV. In the world of SMT 4, your primary source of power comes not from your human protagonist, but from the demons you negotiate with and eventually fuse together. Fusion is the process of combining two or more demons to create a stronger, more versatile ally.
Many players find the internal mechanics of demon fusion complex. Using a shin megami tensei iv fusion calculator allows you to predict exactly what the outcome of a fusion will be before you spend your hard-earned Macca (the in-game currency). This prevents mistakes, such as losing a high-level demon for a result that doesn’t fit your current party composition.
A common misconception is that fusions are random. In reality, they follow strict mathematical rules involving the “Race” of the parents and their “Base Levels.” Whether you are looking for a powerful healer from the Megami race or a heavy hitter from the Vile race, a calculator is your roadmap to success.
Shin Megami Tensei IV Fusion Calculator Formula and Mathematical Explanation
The logic behind the shin megami tensei iv fusion calculator is split into two distinct parts: Race Determination and Level Determination.
1. The Race Determination
Every demon belongs to a specific race (e.g., Herald, Megami, Beast). When you fuse Race A with Race B, the game consults a internal demon fusion chart to find the resulting Race C. For example, fusing a Herald with a Megami will always result in a Tree race demon, provided it is not a special fusion.
2. The Level Determination Formula
Once the resulting race is known, the calculator determines which specific demon from that race you will receive. The formula is:
Result Level Threshold = ((Demon 1 Base Level + Demon 2 Base Level) / 2) + 1
The game then looks at the resulting race and selects the demon whose base level is the lowest level equal to or greater than the calculated threshold.
| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| Demon 1 Base Level | The level the demon starts at naturally | Levels | 1 – 99 |
| Demon 2 Base Level | The level the second demon starts at naturally | Levels | 1 – 99 |
| Macca Cost | Summoning cost from the compendium | Macca | 500 – 500,000+ |
| Race Modifier | The predetermined outcome of combining two races | String | N/A |
Practical Examples (Real-World Use Cases)
To better understand how the shin megami tensei iv fusion calculator works, let’s look at two specific scenarios summoners often encounter.
Example 1: Creating a Tree Race Demon
- Input Demon 1: Herald Lvl 10 (Victor)
- Input Demon 2: Megami Lvl 15 (Ame no Uzume)
- Calculation: (10 + 15) / 2 + 1 = 13.5
- Result: The calculator looks for a Tree race demon with a base level of 14 or higher. If Narcissus is the lowest level Tree demon above 13.5, he is the result.
Example 2: Higher Level Fusion
- Input Demon 1: Divine Lvl 30
- Input Demon 2: Yoma Lvl 32
- Calculation: (30 + 32) / 2 + 1 = 32
- Result: The game selects the first Nymph demon (Divine + Yoma = Nymph) that has a base level of at least 32.
How to Use This Shin Megami Tensei IV Fusion Calculator
Using our shin megami tensei iv fusion calculator is straightforward. Follow these steps to optimize your party:
- Select Demon 1 Race: Use the dropdown menu to choose the race of your first demon.
- Enter Base Level: Input the level the demon had when you first acquired it. Do not include levels gained through training.
- Select Demon 2 Race: Choose the race of the second demon you plan to use.
- Enter Base Level 2: Input its base level.
- Review Results: The calculator automatically updates to show the predicted resulting race and the level threshold the game will use to pick the demon.
- Copy and Save: Use the “Copy Results” button to save your planned fusions to a notepad or guide.
Key Factors That Affect Shin Megami Tensei IV Fusion Results
While the shin megami tensei iv fusion calculator provides a solid prediction, several advanced mechanics can alter the final result:
- Special Fusions: Certain demons (like Alice or Shiva) cannot be made through standard race pairings. They require specific named demons.
- Element Fusions: Fusing a demon with an “Element” (like Erthys or Flaemis) will result in a rank-up or rank-down within the same race.
- Protagonist Level: You cannot fuse a demon whose base level is higher than your current level unless you have specific “Burroughs Apps” unlocked.
- Compendium Costs: The cost of pulling demons from the compendium for fusion depends heavily on their stats and how many skills you’ve taught them.
- Skill Inheritance: While the calculator predicts the demon, you must manually choose which skills are passed down. Plan for high-tier skills like Antichthon or Victory Cry.
- App Expansions: Apps like “Demon Fusion Lite” or “Skill Expansion” drastically change how you interact with the fusion system.
Frequently Asked Questions (FAQ)
1. Can I fuse a demon higher than my level?
Normally, no. The shin megami tensei iv fusion calculator might show a result, but the game will prevent the fusion unless you have unlocked specific App upgrades in the Burroughs menu.
2. Why did my fusion result in an accident?
Fusion accidents have a small random chance of occurring (around 1/64). This results in a completely different demon than predicted, often from the Zealot or Undead races.
3. What are Element fusions?
Elements are special demons created by fusing two demons of the same race. Fusing an Element with another demon usually results in a “Rank Up” or “Rank Down” within that same race.
4. Do stats affect the fusion result?
Stats like Strength or Magic do not affect the resulting demon’s species, but they do influence the Macca cost if you are summoning from the compendium.
5. Is the level in the formula the current level or base level?
The shin megami tensei iv fusion calculator uses the Base Level. Any levels you gain through grinding do not change the fusion outcome.
6. How do I get Special Fusions?
Special fusions are unlocked by completing specific Delivery Quests or reaching certain story milestones. They require a fixed set of ingredients.
7. Can I fuse Fiend race demons?
Fiends are generally not resultants of standard fusions. They are mostly obtained through very rare encounter drops or highly specific fusion chains.
8. Does the calculator work for SMT IV: Apocalypse?
While similar, Apocalypse has some race table adjustments. This calculator is specifically tuned for the original Shin Megami Tensei IV.
Related Tools and Internal Resources
- Complete SMT IV Demon List – A full database of all demons and their base stats.
- Comprehensive Fusion Chart Guide – A visual guide to every race combination.
- Special Fusion Requirements – How to unlock Alice, Shiva, and more.
- Element Fusion Table – Detailed Rank Up/Rank Down mechanics for Elements.
- Macca Farming Tips – How to afford high-level compendium summons.
- Apocalypse Fusion Differences – What changed in the sequel’s fusion system.