SMT 4 Fusion Calculator

Your expert tool for navigating the Cathedral of Shadows in Shin Megami Tensei IV.

Result: —

Race: —

Base Level: —

Average Level: —

Formula: The resulting demon is the first available demon of the ‘Result Race’ whose base level is equal to or higher than the ‘Average Level’ of the two parent demons.

What is the SMT 4 Fusion Calculator?

The smt 4 fusion calculator is a vital tool for any player of Shin Megami Tensei IV. In the game, demon fusion is the primary method of obtaining more powerful demons by combining two or more demons from your party. This calculator simplifies the complex process by predicting the exact result of a two-demon fusion. Instead of trial and error, you can strategically plan which demons to recruit and fuse to create your desired party. Mastering fusion is key to progressing through the game’s challenging encounters, making a reliable smt 4 fusion calculator an indispensable asset.

SMT 4 Fusion Formula and Explanation

Standard demon fusion in Shin Megami Tensei IV follows a consistent two-step algorithm. This smt 4 fusion calculator uses the same logic to ensure accurate results.

1. Determine the Result Race: The races of the two parent demons are cross-referenced on a specific fusion chart to determine the race of the resulting demon. For example, fusing a demon from the ‘Divine’ race with one from the ‘Avian’ race will always result in a demon of the ‘Fairy’ race.
2. Determine the Result Demon: The calculator takes the average of the base levels of the two parent demons. The result is the first demon in the determined Result Race list (when sorted by level) whose base level is higher than this average.

Fusion Logic Variables

Variable	Meaning	Unit	Typical Range
Parent Demon 1	The first selected demon for fusion.	Demon (Name, Race, Level)	Levels 1-99
Parent Demon 2	The second selected demon for fusion.	Demon (Name, Race, Level)	Levels 1-99
Result Race	The race of the demon produced by the fusion.	Race Name	N/A
Average Level	The mean of the two parent demons’ base levels.	Level	1-99
Result Demon	The final demon created by the fusion.	Demon (Name, Race, Level)	Levels 1-99

For more details on demon stats, check out a comprehensive SMT 4 demon list.

Practical Examples

Example 1: Fusing a Low-Level Divine and Avian

• Input Demon 1: Angel (Divine, Level 10)
• Input Demon 2: Hamsa (Avian, Level 9)
• Calculation:
  • Result Race: Divine + Avian = Fairy
  • Average Level: (10 + 9) / 2 = 9.5
• Result: The calculator searches the ‘Fairy’ race for the first demon with a base level above 9.5, which is Jack Frost (Level 11).

Example 2: Fusing a Mid-Level Fairy and Beast

• Input Demon 1: High Pixie (Fairy, Level 19)
• Input Demon 2: Gryphon (Beast, Level 25)
• Calculation:
  • Result Race: Fairy + Beast = Avian
  • Average Level: (19 + 25) / 2 = 22
• Result: The calculator searches the ‘Avian’ race for the first demon with a base level above 22, which is Garuda (Level 55), as Phoenix (level 22) is not *above* the average.

Understanding these combinations helps in planning your fusions. For advanced strategies, see our Shin Megami Tensei IV walkthrough.

How to Use This SMT 4 Fusion Calculator

Using our tool is straightforward. Follow these steps for perfect fusions every time:

1. Select Demon 1: Use the first dropdown menu to choose the first demon you want to fuse. The list contains a wide selection of demons from the game.
2. Select Demon 2: Use the second dropdown menu to select the second demon.
3. View Results Instantly: The calculator automatically updates. The ‘Result’ field shows the name of the fused demon, while the ‘Intermediate Values’ provide the resulting race and its base level.
4. Analyze the Chart: The bar chart visually compares the base levels of the parent demons and the resulting demon, giving you a quick sense of the power jump.
5. Reset and Repeat: Use the ‘Reset’ button to clear the fields and start a new calculation.

Key Factors That Affect SMT 4 Fusion

While this smt 4 fusion calculator handles standard fusions, several factors can influence your results in the game:

• Demon Race: The most crucial factor. The combination of two races determines the result’s race, which is the foundation of all fusion.
• Base Level: The demon’s starting level, not its current trained level, is what’s used in the fusion algorithm.
• Special Fusions: Some powerful demons can only be created through specific, fixed combinations of three or more demons, which are not covered by this standard two-demon calculator.
• Elemental Fusion: Fusing a demon with an ‘Element’ race demon doesn’t change its race but instead ranks it up or down within the same race.
• Fusion Accidents: There is a small, random chance a fusion will “fail” and produce a different, often rare, demon. This is not predictable by any smt 4 fusion calculator.
• Player Level: You cannot fuse a demon whose base level is higher than your protagonist’s current level. The calculator will show you the result, but you may need to level up before you can perform the fusion in-game.

To learn about fusing for specific abilities, consult an SMT 4 skill guide.

Frequently Asked Questions (FAQ)

1. Why is the result demon a much higher level than the parents?

This happens if there’s a large level gap between demons of the target race. The formula must pick the *next highest* demon, which could be many levels away.

2. Can I use this calculator for Shin Megami Tensei IV: Apocalypse?

No, SMT IV: Apocalypse has a different demon roster and fusion chart. This calculator is specifically for the original SMT IV.

3. What does it mean if no result is shown?

This means the two selected races cannot be fused together in a standard fusion (e.g., fusing two demons of the same race, which produces an Element). Our SMT 4 fusion chart can provide more details.

4. Does the current level of my demons matter?

No, the fusion calculation only uses the base level of the demon species. Your demon’s current level and stats do not affect the fusion result, only the skills that can be inherited.

5. How are inherited skills determined?

Skill inheritance is a separate, more complex system. This smt 4 fusion calculator focuses on the resulting demon. Inherited skills are chosen from a pool of the parents’ skills after the fusion result is determined.

6. Why can’t I fuse a demon the calculator shows?

The most common reason is that your character’s level is too low. You cannot create a demon with a base level higher than your own.

7. What are “Special Fusions”?

They are unique recipes, often requiring 3+ specific demons, to create powerful entities. They don’t follow the standard fusion algorithm. You can learn more in our guide to a full SMT IV compendium.

8. What is a Fusion Accident?

It’s a random event where the fusion produces an unexpected demon, sometimes a rare Fiend. The chance is low and cannot be predicted.