P5 Fusion Calculator

Advanced Persona Fusion Result & Level Predictor

Predicted Resulting Arcana

Target Base Level
13.0

Average Level
12.5

Fusion Type
Normal

Example Common Arcana Fusions

Arcana A	Arcana B	Result Arcana
Fool	Magician	Death
Fool	Priestess	Moon
Magician	Priestess	Temperance
Chariot	Justice	Strength
Death	Devil	Hermit

What is p5 fusion calculator?

The p5 fusion calculator is an essential tool for any player looking to master the Velvet Room in Persona 5 or Persona 5 Royal. Fusion is the process of combining two or more Personas to create a new, more powerful entity. This process isn’t random; it follows strict mathematical rules and Arcana-based logic.

Who should use this? Whether you are a newcomer trying to unlock your first high-level Persona or a completionist aiming for the 100% Compendium achievement, the p5 fusion calculator provides the foresight needed to manage your resources. A common misconception is that the resulting level is simply the average of the two ingredients. In reality, the formula adds a specific modifier to ensure the result is slightly higher than the average, pushing your team’s power forward.

p5 fusion calculator Formula and Mathematical Explanation

The mathematical heart of the p5 fusion calculator relies on a two-step process: determining the Arcana and then calculating the Base Level. The standard fusion formula for two Personas (Dyad Fusion) is as follows:

Resulting Base Level = ((Level A + Level B) / 2) + 0.5

Once this level is calculated, the game looks at the Resulting Arcana (determined by a static combination table) and finds the Persona with the lowest base level that is greater than or equal to the calculated target level.

Fusion Variables and Units

Variable	Meaning	Unit	Typical Range
Level A	Current level of first Persona	Integers	1 – 99
Level B	Current level of second Persona	Integers	1 – 99
Arcana Table	Matrix determining output class	String	21 Main Arcana
Modifier	Static level adjustment	Constant	0.5

Practical Examples (Real-World Use Cases)

To better understand how the p5 fusion calculator works in practice, let’s look at two scenarios frequently encountered in the early and mid-game.

Example 1: Early Game Power-Up

You have a level 5 Arsene (Fool) and a level 2 Pixie (Lovers). According to the p5 fusion calculator logic:

• Arcana: Fool + Lovers = Chariot
• Math: (5 + 2) / 2 + 0.5 = 4.0
• Result: The game will find the lowest level Chariot Persona that is Level 4 or higher (likely Agathion).

Example 2: Mid-Game Optimization

You want to create a powerful Death Persona. You fuse a Level 25 Matador (Death) with a Level 30 Stone of Scone (Fortune). While Treasure Demon fusions use different rules, a standard fusion of Death + Fortune would yield a Magician Persona. The p5 fusion calculator would calculate (25+30)/2 + 0.5 = 28.0, pointing you toward a high-level Magician.

How to Use This p5 fusion calculator

1. Select Arcana: Choose the Arcana of both Personas you currently have in your stock.
2. Input Levels: Enter the current levels of these Personas. Note that if you have leveled them up through battle, their current level is used, not their base level.
3. Review Results: The p5 fusion calculator will display the Predicted Resulting Arcana and the Target Base Level.
4. Check Compendium: Look at your in-game Compendium for the Persona in that Arcana that matches or just exceeds the target level.

Key Factors That Affect p5 fusion calculator Results

• Current Level vs. Base Level: Fusions use the current level of the Persona. This means grinding a Persona to a higher level before fusing can change the resulting Persona entirely.
• Treasure Demon Modifiers: Fusing with Treasure Demons (like Queen’s Necklace) doesn’t follow standard p5 fusion calculator math; instead, it jumps the current Arcana up or down specific “ranks.”
• DLC Personas: If you have DLC installed, the p5 fusion calculator results may shift because the game adds more Personas to each Arcana’s level hierarchy.
• Arcana Combinations: Some Arcanas do not fuse well or have unique results. For example, fusing two Personas of the same Arcana usually results in a lower-level Persona of that same Arcana.
• Special Fusions: High-level Personas like Alice or Yoshitsune require specific “Advanced Fusions” (3 or more ingredients) which bypass the standard p5 fusion calculator logic.
• Social Stats & Confidant Rank: While they don’t change the resulting Persona, high Confidant ranks provide “Arcana Burst” XP, making your fused Persona immediately jump several levels.

Frequently Asked Questions (FAQ)

1. Why is my result different from the p5 fusion calculator?

Ensure you are playing the standard version or Royal. Also, check if you have any DLC Personas, as they insert themselves into the level rankings and change which Persona is “next” in line.

2. Does the Persona’s stats affect the fusion result?

No, only the Arcana and the Level are used to determine the resulting Persona. Stats only influence the inheritance of skills.

3. Can I fuse a Persona with a higher level than my character?

Normally, no. You cannot create a Persona of a higher level than the Protagonist unless you have maxed out the Strength Confidant (Twin Wardens) in Persona 5.

4. What happens if I fuse two Personas of the same Arcana?

This is called a “Rank Down” or “Rank Up” fusion. It will result in a Persona of the same Arcana but generally lower level than the average.

5. How do Treasure Demons work in the p5 fusion calculator?

Treasure Demons act as multipliers. They don’t change the Arcana in most cases, but rather shift the current Persona to the next one up or down in the same Arcana family.

6. Does fusion cost money?

Fusing Personas you currently hold is free. However, summoning ingredients from the Compendium to use in the p5 fusion calculator costs Yen based on the Persona’s level.

7. What is an “Arcana Burst”?

When you fuse a Persona of an Arcana where you have a high Confidant rank, the new Persona gains bonus experience points instantly.

8. Can I undo a fusion?

No. Once the fusion is performed in the Velvet Room, it is permanent. Always save your game or consult the p5 fusion calculator before confirming.