Smt4 Fusion Calculator

Calculate demon fusion results, base levels, and Macca requirements for Shin Megami Tensei IV.

Common Race Combinations in SMT4

Race A	Race B	Result Race	Avg. Base Level Multiplier
Herald	Megami	Avian	1.0 + 1
Deity	Divine	Herald	1.0 + 1
Yoma	Flight	Nymph	1.0 + 1
Fairy	Beast	Nymph	1.0 + 1

What is SMT4 Fusion Calculator?

The SMT4 Fusion Calculator is an essential tool for players of Shin Megami Tensei IV on the Nintendo 3DS. In SMT4, demons are not just allies you collect; they are resources that must be combined to create more powerful entities. Using an SMT4 Fusion Calculator allows you to predict the outcome of fusing two or more demons before spending your precious Macca in the Cathedral of Shadows.

Who should use an SMT4 Fusion Calculator? From beginners trying to survive the early game in Naraku to completionists aiming to fill the entire Demon Compendium, this tool is vital. A common misconception is that fusion is random. In reality, SMT4 follows a strict mathematical logic based on the “Race” of the demons and their current “Base Levels.” By understanding these mechanics, you can ensure your team always has the necessary resistances and skills to tackle bosses.

SMT4 Fusion Calculator Formula and Mathematical Explanation

The core logic behind the SMT4 Fusion Calculator is the Average Level Rule. When two demons of different races are fused, the game determines the resulting race first, then looks for the specific demon within that race.

The mathematical steps followed by the SMT4 Fusion Calculator are:

• Step 1: Determine Resulting Race: Each combination of Race A + Race B has a fixed Result Race.
• Step 2: Calculate Target Level: The formula used is (Level of Demon A + Level of Demon B) / 2 + 1.
• Step 3: Lookup Demon: The game selects the demon in the Resulting Race whose base level is the lowest possible value that is still strictly greater than the Target Level.

Fusion Variable Table

Variable	Meaning	Unit	Typical Range
Lvl A / Lvl B	Current levels of ingredients	Levels	1 – 99
Race	The classification of the demon	Category	40+ Races
Base Level	The level at which a demon is first summoned	Levels	1 – 99
Macca	In-game currency for summoning	Gold	500 – 500,000

Practical Examples (Real-World Use Cases)

Example 1: Early Game Fusion
Suppose you use the SMT4 Fusion Calculator with a Level 7 Centaur (Race: Beast) and a Level 10 Fuxi (Race: Flight). The SMT4 Fusion Calculator predicts a Nymph race result. The math: (7 + 10) / 2 + 1 = 9.5. The tool will look for a Nymph demon with a base level higher than 9.5, likely resulting in a Nymph Kikimora (Base Level 13).

Example 2: High-Level Strategy
A Level 50 Megami and a Level 52 Herald are entered into the SMT4 Fusion Calculator. Result Race: Avian. Target Level: (50 + 52) / 2 + 1 = 52. The SMT4 Fusion Calculator identifies the lowest Avian demon above level 52, helping you plan skill inheritance for late-game challenges.

How to Use This SMT4 Fusion Calculator

Follow these simple steps to master your fusions:

1. Select the Race of your first demon from the dropdown menu.
2. Enter the Current Level of your first demon. Note: Higher levels can shift the result to a higher-tier demon within the same race.
3. Select the Race of your second demon.
4. Input the Current Level of your second demon into the SMT4 Fusion Calculator.
5. Review the Predicted Result. The main result shows the base level target, while the breakdown shows the race and estimated Macca cost.
6. Use the “Copy Results” button to save your plan for later reference when you are in the game.

Key Factors That Affect SMT4 Fusion Calculator Results

• Demon Race: This is the primary determinant of the result. Elemental fusions and Special fusions ignore standard rules.
• Current Level vs Base Level: While the SMT4 Fusion Calculator uses current levels, the result is always a demon at its Base Level.
• Fusion Apps: Purchasing “Demon Fusion” apps from Burroughs can reduce Macca costs or allow for more skill slots, which the SMT4 Fusion Calculator helps you plan for.
• Compendium Costs: Summoning demons from the compendium for fusion costs Macca. Higher level demons are exponentially more expensive.
• Special Fusions: Some demons require 3 or 4 specific ingredients. This SMT4 Fusion Calculator focuses on standard dyad fusions.
• Level Cap: Flynn cannot fuse demons at a level higher than his own unless specific apps are purchased. Always check your own level before using the SMT4 Fusion Calculator.

Frequently Asked Questions (FAQ)

Why did my fusion result change after leveling up?

The SMT4 Fusion Calculator uses the average level + 1 rule. If the average increases enough, it may cross the threshold for the next demon in that race’s hierarchy.

Does this SMT4 Fusion Calculator handle Element fusions?

Element fusions (Erthys, Aquans, etc.) rank a demon up or down within its own race rather than changing the race entirely.

How accurate is the Macca cost?

The Macca cost in our SMT4 Fusion Calculator is an estimate based on the target level. Actual costs vary based on your “Compendium Discount” apps.

What is the “Average Level + 1” rule?

It is the core algorithm used by the SMT4 Fusion Calculator to find the target tier for the new demon.

Can I fuse demons higher than Flynn’s level?

Generally, no. The SMT4 Fusion Calculator might show a high-level result, but the game will block it unless you have the required apps.

Are special fusions included?

Special fusions have fixed recipes and do not follow the standard level-based logic of the SMT4 Fusion Calculator.

What happens if the target level is 99?

The SMT4 Fusion Calculator will show the highest demon in that race, assuming one exists at that tier.

Why is the resulting race different in SMT4 vs SMT5?

Fusion charts are game-specific. Always use a dedicated SMT4 Fusion Calculator for Shin Megami Tensei IV.

Related Tools and Internal Resources

• Demon Compendium Database – A full list of all demon stats in SMT4.
• Skill Inheritance Guide – Learn how to pass the best skills during fusion.
• Macca Farming Tips – How to afford the expensive fusions predicted by our SMT4 Fusion Calculator.
• Element Fusion Chart – Specific rules for ranking demons up or down.
• Special Fusion Recipes – Fixed recipes for legendary demons like Alice or Fiends.
• Burroughs App Guide – Which apps to prioritize for better fusion results.