Shin Megami Tensei Fusion Calculator

Optimize your demon fusions and predict resulting levels with precision.

Standard SMT Fusion Race Table

Demon A Race	Demon B Race	Resulting Race	Standard Level Multiplier
Divine	Fallen	Exterminator	1.0x
Beast	Fairy	Wilder	1.1x
Herald	Snake	Dragon	1.25x
Vile	Tyrant	Overlord	1.5x

Note: Specific results may vary depending on the specific Shin Megami Tensei title (Nocturne, SMT IV, SMT V).

What is a Shin Megami Tensei Fusion Calculator?

A shin megami tensei fusion calculator is an essential tool for players of the Atlus RPG series. The core mechanic of Shin Megami Tensei (SMT) revolves around recruiting demons and “fusing” them together to create more powerful entities. Using a shin megami tensei fusion calculator allows players to predict the exact outcome of these combinations, ensuring that valuable skills are passed down and that the player’s team remains competitive against difficult bosses.

Who should use it? Primarily completionists looking to fill their Demon Compendium and tactical players who want to build the “perfect” demon with specific elemental resistances. A common misconception is that fusions are random; however, with a shin megami tensei fusion calculator, you can see that the process is governed by strict mathematical rules based on the demons’ “Race” and “Base Level.”

Shin Megami Tensei Fusion Calculator Formula and Mathematical Explanation

The math behind a shin megami tensei fusion calculator is surprisingly consistent across titles like SMT III: Nocturne and SMT V. The primary calculation determines the *Base Level* of the resulting demon within its calculated Race category.

The standard formula used is:
Result Level = ⌊(Level 1 + Level 2) / 2⌋ + 1

The game then searches the target race for the demon whose base level is the closest to, but not lower than, this result. If no such demon exists, the fusion may fail or result in a lower-tier entity.

Variable	Meaning	Unit	Typical Range
Level 1	Level of First Ingredient	Numeric	1 – 99
Level 2	Level of Second Ingredient	Numeric	1 – 99
Base Level	Starting Level of Result	Numeric	Calculated
Macca Cost	Currency for Compendium	Macca	1,000 – 500,000

Practical Examples (Real-World Use Cases)

Example 1: Early Game Fusion
A player uses a shin megami tensei fusion calculator to combine a Level 10 Pixie (Fairy) with a Level 12 Kobold (Haunt).
Input: Lvl 10, Lvl 12.
Calculation: (10 + 12) / 2 + 1 = 12.
The shin megami tensei fusion calculator predicts a result in the Jack Frost (Fairy) category if the race logic permits, targeting a base level of 12 or higher.

Example 2: High-Level Optimization
A player wants to create a powerful late-game demon. They combine a Level 75 Thor with a Level 80 Surt.
Input: Lvl 75, Lvl 80.
Calculation: (75 + 80) / 2 + 1 = 78.5 (Floor to 78) + 1 = 79.
The shin megami tensei fusion calculator shows the player they will receive a demon with a base level of at least 79, which is critical for inheriting late-game “Severe” elemental skills.

How to Use This Shin Megami Tensei Fusion Calculator

1. Enter the current levels of the two demons you intend to fuse in the shin megami tensei fusion calculator.
2. Select the total number of skills currently held by both demons. This is used by the shin megami tensei fusion calculator to estimate inheritance slots.
3. The shin megami tensei fusion calculator will instantly update the projected base level.
4. Review the intermediate values like “Fusion Tier” and “Estimated Macca Cost.”
5. Use the “Copy Results” button to save your plan for your next gaming session.

Key Factors That Affect Shin Megami Tensei Fusion Calculator Results

• Base vs. Current Level: Most SMT games use the “Base Level” for fusion logic, though some modern titles consider the current level to determine the resulting demon’s starting stats.
• Race Combination: Different races yield specific results. A shin megami tensei fusion calculator must account for the race-priority matrix.
• Special Fusions: Certain demons cannot be made through standard arithmetic and require 3 or more specific ingredients.
• Fusion Accidents: There is usually a 1-5% chance of an “accident,” which ignores the shin megami tensei fusion calculator results entirely.
• Moon Phase (Kagutsuchi): In games like Nocturne, the phase of the moon drastically alters the shin megami tensei fusion calculator outcomes, especially during Full Moon.
• Skill Inheritance Rules: Physical demons cannot inherit certain magic types, a factor any advanced shin megami tensei fusion calculator user must remember.

Frequently Asked Questions (FAQ)

1. Can I fuse two demons of the same race?

Yes, in most games, this results in an “Element” demon, which is used to rank-up or rank-down other demons in the same race.

2. Why did my fusion result in a different level than predicted?

Check if you are using the demon’s *current* level vs their *base* level. The shin megami tensei fusion calculator usually assumes base levels for race determination.

3. What are Fusion Accidents?

Accidents occur randomly and produce a demon you didn’t intend to make. Using a shin megami tensei fusion calculator cannot prevent these, but certain Moon phases increase the risk.

4. How many skills can a demon inherit?

This is usually determined by the total number of skills the parents have. A shin megami tensei fusion calculator uses the bracket (e.g., 9-12 skills = 4 slots).

5. Does the order of fusion matter?

No, Demon A + Demon B will yield the same result as Demon B + Demon A in any standard shin megami tensei fusion calculator.

6. How do special fusions work?

Special fusions are fixed recipes. The shin megami tensei fusion calculator treats these as exceptions to the average-level formula.

7. What is Macca cost based on?

Cost is based on the level and stats of the demon in the compendium. Our shin megami tensei fusion calculator provides an estimate based on average tier pricing.

8. Is this calculator valid for Persona games?

While Persona uses similar logic, it has its own race-compatibility charts. This shin megami tensei fusion calculator is optimized for the mainline SMT titles.