Fusion Calculator P5r

Accurately plan your Persona 5 Royal fusions, estimate Yen costs, and verify Arcana combinations.

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Compatible Combinations for Selected Arcana

Showing potential results if you fuse Persona A with other common Arcana:

Ingredient 2 Arcana	Resulting Arcana	Nature

What is the Fusion Calculator P5R?

The fusion calculator p5r is an essential tool for players of Persona 5 Royal. It helps players determine the outcome of combining two or more Personas in the Velvet Room. Unlike standard RPG crafting systems, Persona fusion relies on a complex matrix of Arcana combinations and mathematical level averaging.

Whether you are trying to fuse a powerful endgame Persona like Satanael or simply filling out your Compendium, understanding the mechanics behind the fusion is critical. This calculator allows you to predict the resulting Arcana, the target base level, and the estimated Yen cost for summoning the ingredients from the Compendium.

Common Misconception: Many players believe fusion results are random. In reality, the fusion calculator p5r logic is 100% deterministic, based strictly on the Arcana and current levels of the ingredients.

Fusion Calculator P5R Formula and Explanation

To master the Velvet Room, you must understand the math that powers the fusion calculator p5r. There are two primary calculations occurring simultaneously: Arcana selection and Level determination.

1. The Level Formula

The resulting Persona is not simply the sum of its parts. The game uses an averaging formula to determine the “Target Base Level” of the result:

Result Level = Floor((Level A + Level B) / 2) + 1

The game then looks for the nearest Persona of the resulting Arcana whose base level is equal to or greater than this calculated “Result Level”.

2. The Cost Formula

Summoning ingredients from the Compendium costs Yen. The cost scales exponentially with the Persona’s stats. A simplified approximation used in this fusion calculator p5r is:

Cost ≈ (Stats Total)² × Constant

Variable Definitions

Variable	Meaning	Unit	Typical Range
Level A/B	Current Level of Ingredients	Level (1-99)	1 – 99
Target Base Level	Calculated minimum level for result	Level	2 – 99
Compendium Cost	Yen required to summon	Yen (¥)	2,000 – 200,000+
Arcana Burst	XP Bonus from Confidant Rank	XP Points	0 – Max

Practical Examples: Using the Fusion Calculator P5R

Example 1: Early Game Power Spike

Scenario: You want to fuse a “Jack Frost” (Magician) early in the game using a Silky (Priestess) and Arsene (Fool).

• Input A: Fool (Lvl 1)
• Input B: Priestess (Lvl 6)
• Calculation: (1 + 6) / 2 = 3.5 → Floor(3.5) + 1 = 4.
• Result: The game looks for a Magician Persona ≥ Level 4.
• Financial Interpretation: Using the fusion calculator p5r, you see the cost is negligible (under 3,000 Yen), making this a safe early investment.

Example 2: High Level Gating

Scenario: Fusing a Level 90 Messiah.

• Inputs: Two High-Level Personas (Lvl 85 + Lvl 92).
• Math: (85 + 92) / 2 = 88.5 → 89.
• Result: A Judgement Arcana Persona close to Level 90.
• Financial Interpretation: Summoning these high-level ingredients might cost upwards of 150,000 Yen. This tool helps you budget your dungeon crawl earnings effectively.

How to Use This Fusion Calculator P5R

Follow these steps to get the most out of the tool:

1. Select Arcana: Choose the Arcana for both Ingredient A and Ingredient B from the dropdown menus.
2. Enter Levels: Input the current level of your Personas. Be precise, as even one level can change the resulting Persona tier.
3. Review Results: The calculator instantly updates the “Target Base Level” and the “Resulting Arcana”.
4. Analyze Cost: Check the “Est. Summon Cost” to ensure you have enough Yen.
5. Check Charts: Use the chart to see how cost increases if you were to level up your ingredients further before fusing.

Key Factors That Affect Fusion Results

Several mechanics in Persona 5 Royal influence the output of the fusion calculator p5r beyond simple math:

• Confidant Rank: A higher Confidant rank in the resulting Arcana grants “Arcana Burst” XP, instantly leveling up the fused Persona.
• Fusion Alarm: During a Fusion Alarm in the Velvet Room, accidents are more likely, and fusion results can mutate into different skills or Personas entirely.
• Treasure Demons: Fusing with a Treasure Demon (e.g., Regent) causes a “Rank Up” or “Rank Down” within the same Arcana rather than changing the Arcana.
• Level Caps: You cannot fuse a Persona with a base level higher than your protagonist’s current level (unless you have the max strength confidant perk).
• Compendium Registration: Always register your ingredients before fusing if you want to retain their skills and stats for later repurchase.
• DLC Personas: The presence of DLC Personas in your game file shifts the fusion table, as they occupy level slots that standard Personas would otherwise fill.

Frequently Asked Questions (FAQ)

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

If you own DLC Personas, the fusion tiers shift. This fusion calculator p5r uses the standard Royal logic, but owning Izanagi-no-Okami or Raoul can alter specific level cutoffs.

2. How accurate is the cost estimation?

The cost is estimated based on level scaling. Actual in-game cost depends on total stats (St, Ma, En, Ag, Lu). The calculator provides a baseline +/- 10%.

3. Can I fuse Personas higher than my level?

Normally, no. However, if you maximize the Strength Confidant (Justine & Caroline), you can pay extra Yen to bypass this restriction.

4. What is a “Gallows” fusion?

The Gallows allows you to sacrifice one Persona to grant XP to another. The XP yield is calculated similarly to the fusion level inputs shown above.

5. Does difficulty affect fusion?

Difficulty settings (Safe, Normal, Merciless) do not change the fusion formula, but they affect how much money you earn from battles to pay for it.

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

Fusing two Personas of the same Arcana usually results in a Persona of the same Arcana but a lower tier (Rank Down).

7. How do I get Satanael?

Satanael requires a special “Group Guillotine” fusion of 6 specific Personas and is only available in New Game Plus.

8. Why does the calculator show “Accident Chance”?

During a Fusion Alarm, fusion outcomes become unstable. The chance of an accident increases with consecutive fusions.