Raidou Remaster Fusion Calculator & Guide


Raidou Remaster Fusion Calculator

Your essential tool for predicting demon fusion outcomes in Shin Megami Tensei: Devil Summoner: Raidou Kuzunoha vs. The Soulless Army Remaster.



Enter your current level. You cannot fuse a demon with a higher level than your own.



Choose the first demon for fusion.


Choose the second demon for fusion.


Fusion Result

Resulting Race:

Average Base Level:

Final Base Level:

Chart comparing the base levels of the ingredient demons and the resulting demon.

What is a Raidou Remaster Fusion Calculator?

A raidou remaster fusion calculator is a specialized tool for players of Shin Megami Tensei: Devil Summoner: Raidou Kuzunoha vs. The Soulless Army. Demon fusion is a core mechanic where you combine two of your allied demons to create a new, often more powerful, demon. This calculator removes the guesswork by predicting the exact outcome based on the game’s complex rules. Instead of costly trial-and-error at the Goumaden, you can strategize your fusions in advance, saving time and in-game currency (Yen). Understanding fusion is critical for building a strong team to face the demonic threats in Taisho-era Japan.

The Raidou Fusion Formula and Explanation

Unlike financial calculators, a raidou remaster fusion calculator doesn’t use a simple mathematical formula. It operates on a set of logical rules based on Demon “Races” (referred to as Orders in-game) and their base levels. The general algorithm is as follows:

  1. Determine Result Race: The Races of the two ingredient demons are cross-referenced on a specific Fusion Chart to determine the Race of the resulting demon.
  2. Calculate Average Level: The base levels of the two ingredient demons are averaged: (Demon1_BaseLevel + Demon2_BaseLevel) / 2.
  3. Find Result Demon: The game finds the demon within the determined Result Race with the lowest base level that is *still higher* than the calculated average level.
  4. Level Check: You cannot fuse a demon whose base level is higher than Raidou’s current level.

This process is demonstrated by the raidou remaster fusion calculator above. For more information on advanced rules, you might want to read a {related_keywords} like a guide on special fusions.

Fusion Rules Table

This table shows the resulting Race from combining two parent Races.
Variable Meaning Unit Typical Range
Parent Race A The race of the first demon selected Race (e.g., Pyro, Frost, Volt) N/A
Parent Race B The race of the second demon selected Race (e.g., Fury, Pagan, Skill) N/A
Result Race The race of the resulting demon Race Determined by chart
Average Level The average of the parents’ base levels Level 1-99
Player Level Raidou’s current character level Level 1-99

Practical Examples

Example 1: Fusing a Low-Level Attacker

  • Inputs:
    • Demon 1: Pixie (Race: Volt, Level: 2)
    • Demon 2: Jack-o’-Lantern (Race: Pyro, Level: 9)
    • Player Level: 15
  • Calculation:
    • Result Race: Volt + Pyro = Fury
    • Average Level: (2 + 9) / 2 = 5.5
  • Results:
    • The calculator searches the ‘Fury’ race for the first demon with a base level above 5.5, which is Oni (Level 14). Since 14 is less than the Player Level of 15, the fusion is successful.

Example 2: A Failed Fusion Due to Level

  • Inputs:
    • Demon 1: Oboroguruma (Race: Volt, Level: 19)
    • Demon 2: Oni (Race: Fury, Level: 14)
    • Player Level: 20
  • Calculation:
    • Result Race: Volt + Fury = Frost
    • Average Level: (19 + 14) / 2 = 16.5
  • Results:
    • The calculator searches the ‘Frost’ race for the first demon with a base level above 16.5, which is Black Ooze (Level 23). Since 23 is higher than the Player Level of 20, this fusion would fail. The calculator will display an error message.

How to Use This Raidou Remaster Fusion Calculator

Using this tool is straightforward. Follow these steps to ensure you get accurate results for your demon fusion needs.

  1. Enter Your Level: Input your current level as Raidou Kuzunoha into the “Raidou’s Level” field. This is a crucial step as it determines which fusions are possible.
  2. Select Demon 1: Use the first dropdown menu to select the first demon you wish to use in the fusion.
  3. Select Demon 2: Use the second dropdown menu to select the other demon. Note that you cannot fuse two of the same demon.
  4. Interpret the Results: The calculator will automatically update. The “Fusion Result” section will show you the name, race, and base level of the demon you will create. If the fusion is impossible due to your level, an error message will appear.
  5. Reset if Needed: Click the “Reset” button to clear the inputs and start a new calculation. This is useful when planning multiple fusions, a topic covered in our guide to {related_keywords} like demon compendium strategies.

Key Factors That Affect Raidou Fusion

Several factors can influence the outcome of a fusion. Mastering them is key to becoming an expert Devil Summoner.

  • Player Level: The most important constraint. You can never create a demon whose base level exceeds Raidou’s. This is why a good raidou remaster fusion calculator always asks for it.
  • Demon Race/Order: The combination of the two parent demon races determines the race of the child. Learning the fusion chart is essential.
  • Base Levels: The average of the parents’ base levels sets the floor for the resulting demon’s level.
  • 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 calculator. You can find more on this in articles about {related_keywords} like rare demon fusion.
  • Fusion Accidents: There is a random chance for a “fusion accident,” which results in a completely different, often rare demon. The phase of the moon can influence the accident rate.
  • Demon Loyalty: In the Devil Summoner series, demons may need to have maximum loyalty before they can be used in fusion.
  • Unlocking Demons: Some demons must be defeated in battle before they become available to fuse.
  • The Devil Chart: This is your in-game compendium. Registering powerful demons allows you to re-summon them for a fee, which is a vital part of advanced fusion chains.

Frequently Asked Questions (FAQ)

Why can’t I fuse a demon even if the calculator says I can?
The most common reason is that you haven’t defeated that demon in the game yet. Some demons are “locked” until you encounter and defeat them in the story or as part of a case file.
What are “unitless” values in this calculator?
The “units” in a raidou remaster fusion calculator are concepts like Demon Race and Level. There are no physical units like kilograms or meters. Everything is based on the game’s internal logic.
How does the moon phase affect fusion?
The phase of the moon, particularly a new or full moon, can increase the chances of a Fusion Accident. This calculator assumes a normal fusion without accidents.
Why is the resulting demon a lower level than one of the parents?
Fusion results are based on the *average* of the parents’ *base levels* and the resulting race. It’s common for the outcome to be a lower level than one high-level parent if the other parent has a very low level.
What is the ‘Devil Chart’?
The Devil Chart is the demon compendium in Raidou Kuzunoha. It allows you to record demons you’ve obtained and re-summon them for a price, which is essential for complex fusions.
Can I control which skills are inherited?
Skill inheritance in Raidou is less flexible than in later games like Persona 5. While some skills do transfer, the system is more restrictive. Our advanced guide on {related_keywords} such as skill inheritance mechanics delves deeper into this.
What’s the difference between normal and special fusions?
Normal fusion involves two demons. Special fusions require specific, pre-determined combinations of demons (sometimes 3 or more) to create a single, powerful result.
Where do I go to fuse demons in the game?
You perform demon fusion at the Goumaden, run by Dr. Victor. It becomes accessible after completing the first part of the story in the Daidouji Residence.

© 2026 Game Analyst Pro. All game-related assets are property of Atlus/Sega. This tool is for informational purposes only.



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