Fusion Theory

Before We Start

Fusion is one of the interesting components of the SMT series. Players can fuse some personae (or in other SMT, demons) and obtain an advanced persona, who can assist the MC with more high-rank skills or stats. You can certainly complete the game without using fusion, cause you can recruit part of the personae through the Shuffle Time after battles; Lovers, Towers, Fortune, Judgment, and World personae can only be obtained through fusion, so are the personae that can be unlocked or created through special fusion.

In Persona, the result of your fusion is dictated by five factors:

  1. The arcana of the ingredient personae
  2. The player level of the MC
  3. In the case of 2-persona fusion, the rank of your persona
  4. In the case of 3-persona fusion, both rank and the current level of your persona (Not the MC's level)
  5. Availability of items that unlock a special persona

Let me call the ingredient personae as "parents", and the resultant one as "child". The whole system can be seen as a marriage of arcana. The relationship between parental arcana and child arcanum is predetermined in P4. However, which persona in that particular arcanum will be returned to you is decided by rank or current level of the parents.

Rank is the required level to create that persona, or can be viewed as the lowest possible level of that persona. Current level is the actual level the persona has. For example, the rank of Jack Frost is 16, which means you can only get Jack Frost in the dungeon after battle or create a Jack Frost in the Velvet room if and only if the MC has reached a player level of 16. Once you have used the Jack Frost in battle and let it level up, say, to 19. They 19 is the Jack Frost's "current level". In 2-persona fusion we care about the parents' rank, in 3-persona fusion we care about the parents' rank as well as current level. A lot of players often complain that a certain 3-persona fusion does not work because they have not nailed down this difference.

The player's level (the level of the MC) has nothing to do with which persona will be returned, it dictates if that fusion can be performed. If the rank of the child is higher than the MC's level, even your recipe is right, you cannot create that persona.

Some personae can only be created through 4-persona, 5-persona, 6-persona, and 12-persona fusion. They will be covered separately.

Some other personae can only be created if they are unlocked. Unlocking of persona happens when you have maxed a social link.

2-persons Fusion

In a 2-persona fusion:

  1. To find out the child's arcanum, use the 2-persona Fusion Table below. Fist find the arcanum of one of the parents along the top row (or the left-most column), then look for the other parent's arcanum on the left-most column (or the top row), locate the cell where they cross perpendicularly. That would be the child's arcanum. For instance, a Fool mixed with Magician will give you a Temperance persona.
  2. To find out which persona in the arcana will be resulted, find out the average of the parents' rank, the child persona will be the next available persona with a rank that is higher than the average you obtained. For instance, if you mix Izanagi (Fool rank 1) and Pixie (Magician rank 2), you know that you'll get a Temperance. The average parental rank is 1.5. If you check the persona list, the one with a rank closet but higher than 1.5 is Apsaras (rank 4), that would be your result.

Special case:
If both parents are of the same arcanum. The rule will be different. Same-arcanum fusion results in persona with lower rank. For example, if you mix Yomotsu-shikome (Fool rank 7) with Obariyon (Fool rank 13), you will not get Legion (Fool rank 21) nor Obariyou, instead you'll get Izanagi (Fool rank 1).

Another three special cases in 2-persona fusion are:
Hermit Nebiros X Devil Belial = Death Alice
Magician Randa X Emperor Barong = Tower Shiva (Needs Maxed Tower social link)
Tower Shiva X Priestess Parvati = Judgment Ardha

3-persona Fusion

In a 3-persona fusion:

  1. First, ignore the one with the highest current level.
  2. Determine which arcanum would be resulted for the other two parental personae with the 2-persona Fusion Table. Let's call that an "intermediate parent".
  3. Now, we can consider that persona we ignored in step 1. To find out the child's arcanum, use the 3-persona Fusion Table. Fist find the arcanum of the "intermediate parent" along the top row (or the left-most column), then look for the arcanum of the highest-current-level parent on the left-most column (or the top row), locate the cell where they cross perpendicularly. That would be the child's arcanum.
  4. To find out which persona in the arcana will be resulted, find out the average of the parents' rank and then add 5, the child persona will be the next available persona with a rank that is higher than the average you obtained.

An few examples here:
Parents: Izanagi (Fool rank 1, level 20), Sakimitama (High Priestess rank 11, level 12), and Jack Frost (Magician rank 16, level 18)

  1. Ignore Izanagi because its current level is highest
  2. Using the 2-persona Fusion Table, we will find that the "intermediate parent" resulted from Sakimitama and Jack Frost would be Moon
  3. Using the 3-persona Fusion Table, we can see that the "intermediate parent" (Moon) and Izanagi (Fool) will form an Empress, that's the child's arcanum
  4. The average parental rank is (1 + 11 + 16)/3 = 9.3. Truncate and add 5, we get rank 14
  5. The Empress persona that has the closest but higher than rank 14 is Yaksini (rank 18), that would be the result.

Parents: Izanagi (Fool rank 1, level 3), Sakimitama (High Priestess rank 11, level 12), and Jack Frost (Magician rank 16, level 18)

  1. Ignore Jack Frost because its current level is highest
  2. Using the 2-persona Fusion Table, we will find that the "intermediate parent" resulted from Sakimitama and Izanagi would be Death
  3. Using the 3-persona Fusion Table, we can see that the "intermediate parent" (Death) and Jack Frost (Magician) will form a Fool, that's the child's arcanum
  4. The average parental rank is (1 + 11 + 16)/3 = 9.3. Truncate and add 5, we get rank 14
  5. The Fool persona that has the closest but higher than rank 14 is Legion (rank 21), that would be the result.

The above two examples highlight how the result can change if the current levels are different.

Special case:
If all three of the parents are of the same arcanum. The rule will be different. Same-arcanum fusion results in the same persona with higher rank. For example, if you mix Izanagi (Fool rank 1), Yomotsu-shikome (Fool rank 7) with Obariyon (Fool rank 13), you will get Legion (Fool rank 21).

Another default exception is:
Fortune Clotho X Fortune Lachesis X Fortune Atropos = Fortune Norn (Needs Maxed Fortune social link)

Special Fusion

After 7/10, Igor will provide some extra fusions that use 4, 5, and 6 personae.

Cross Spread (4-persona)
Star Neko Shougun
Sun Tam Lin
Hermit Ongyouki (Needs Maxed Hermit social link)
Hierophant Kouryu (Needs Maxed Hierophant social link)

Star Spread (5-persona)
Tower Yushitsune
Fool Black Frost
Chariot Futsunushi (Needs Maxed Chariot social link)
Hanged Man Yatsufusa

Hiranya Spread (6-persona)
Judgment Trumpeter
Death Mahakala (Needs Maxed Death social link)
Devil Beelzebub (Needs Maxed Devil social link)
Judgment Lucifer (Needs Maxed Judgment social link)

In the second play through, if condition is fulfilled, there would also be a possible Double Hiranya Spread (12-persona) that allows you to create the one and only one World persona. See here for details.

Skill Inheritance

UNDER CONSTRUCTION

2-persona Fusion Table

FOL MAG PRI EPS EPR HIE LOV CHA JUS HER FOR STR HMN DEA TEM DEV TOW STA MON SUN JUD
FOL FOL TEM DEA MON DEA CHA EPS SUN MAG STR MAG MAG STR HER HIE TEM STA EPS EPR DEV HMN
MAG TEM MAG MON JUS STR DEV DEA TEM STR EPS LOV JUS SUN EPR STR SUN HMN N/A STA CHA LOV
PRI DEA MON PRI HER EPS SUN EPR HIE HER DEA HMN JUS MON MAG HIE JUS MAG EPR STA DEV SUN
EPS MON JUS HER EPS MON DEA JUS JUS MAG MAG STA HIE TEM CHA DEV PRI HER CHA TEM PRI PRI
EPR DEA STR EPS MON EPR EPS JUS TEM DEV PRI LOV HER EPS MON SUN MON STA DEA MAG CHA LOV
HIE CHA DEV SUN DEA EPS HIE DEA SUN TEM JUS PRI SUN DEA DEV MAG EPR HMN MON EPS STR CHA
LOV EPS DEA EPR HMN JUS DEA LOV HIE PRI MAG STA EPR MON STA HIE HIE STA HER HMN DEV STR
CHA SUN TEM HIE JUS TEM SUN HIE CHA TEM JUS DEV MAG DEA HER MAG MON HMN HIE SUN STR TEM
JUS MAG STR HER MAG DEV TEM PRI TEM JUS STR LOV TEM PRI STR HER MAG LOV MON STR TEM LOV
HER STR EPS DEA MAG PRI JUS MAG JUS STR HER EPS HIE MON SUN MAG JUS DEA JUS EPS TEM STA
FOR MAG LOV HMN STA LOV PRI STA DEV LOV EPS FOR STA DEA HER DEV EPR CHA EPR LOV PRI HMN
STR MAG JUS JUS HIE HER SUN EPR MAG TEM HIE STA STR HIE HMN SUN HER HMN EPR JUS TEM N/A
HMN STR SUN MON TEM EPS DEA MON DEA PRI MON DEA HIE HMN PRI DEA JUS HER EPS PRI DEV EPS
DEA HER EPR MAG CHA MON DEV STA HER STR SUN HER HMN PRI DEA CHA STA LOV LOV PRI EPS N/A
TEM HIE STR HIE DEV SUN MAG HIE MAG HER MAG DEV SUN DEA CHA TEM HER STA HIE HMN HER N/A
DEV TEM SUN JUS PRI MON EPR HIE MON MAG JUS EPR HER JUS STA HER DEV EPR EPR EPS HIE N/A
TOW STA HMN MAG HER STA HMN STA HMN LOV DEA CHA HMN HER LOV STA EPR TOW HMN PRI CHA N/A
STA EPS N/A EPR CHA DEA MON HER HIE MON JUS EPR EPR EPS LOV HIE EPR HMN STA EPR MON N/A
MON EPR STA STA TEM MAG EPS HMN SUN STR EPS LOV JUS PRI PRI HMN EPS PRI EPR MON STR N/A
SUN DEV CHA DEV PRI CHA STR DEV STR TEM TEM PRI TEM DEV EPS HER HIE CHA MON STR SUN N/A
JUD HMN LOV SUN PRI LOV CHA STR TEM LOV STA HMN N/A EPS N/A N/A N/A N/A N/A N/A N/A JUD

3-persona Fusion Table

FOL MAG PRI EPS EPR HIE LOV CHA JUS HER FOR STR HMN DEA TEM DEV TOW STA MON SUN JUD
FOL FOL FOR LOV JUD EPS TOW DEV LOV CHA STR JUD EPS STA STA JUS LOV FOR HER EPS EPS TEM
MAG FOR MAG FOR SUN DEA JUD TEM EPR CHA EPS STR TOW FOR FOL SUN CHA EPR HIE SUN FOR SUN
PRI LOV FOR PRI TEM JUS EPS HMN MAG HER MAG STR EPS CHA CHA LOV HER MON EPS EPS FOL TEM
EPS JUD SUN TEM EPS FOL PRI FOL EPR DEA FOL STR FOL SUN HIE EPR FOL JUD FOL MON LOV STA
EPR EPS DEA JUS FOL EPR CHA DEV TOW DEV MON PRI HER HIE STR DEV DEA CHA SUN STR DEV HMN
HIE TOW JUD EPS PRI CHA HIE HMN JUD MAG LOV HMN MON STA MAG EPR MON EPR LOV MAG MAG FOL
LOV DEV TEM HMN FOL DEV HMN LOV HIE MAG HIE HMN FOL JUS HMN FOR TOW JUD HIE HMN JUS EPR
CHA LOV EPR MAG EPR TOW JUD HIE CHA TEM PRI TEM MAG DEV DEV MON EPR HIE MAG FOL PRI TOW
JUS CHA CHA HER DEA DEV MAG MAG TEM JUS EPR PRI PRI STA DEV MAG PRI CHA SUN STA JUD SUN
HER STR EPS MAG FOL MON LOV HIE PRI EPR HER JUD JUS DEA MAG DEV DEA EPS DEA TEM TOW TEM
FOR JUD STR STR STR PRI HMN HMN TEM PRI JUD FOR PRI FOL MON TOW TOW MAG MAG STR CHA FOL
STR EPS TOW EPS FOL HER MON FOL MAG PRI JUS PRI STR STA EPS EPR LOV DEV DEV HIE TOW TEM
HMN STA FOR CHA SUN HIE STA JUS DEV STA DEA FOL STA HMN DEV JUS JUS FOR SUN MAG EPS FOL
DEA STA FOL CHA HIE STR MAG HMN DEV DEV MAG MON EPS DEV DEA FOL LOV JUS FOR HMN EPS STR
TEM JUS SUN LOV EPR DEV EPR FOR MON MAG DEV TOW EPR JUS FOL TEM JUS JUD HIE HMN FOR CHA
DEV LOV CHA HER FOL DEA MON TOW EPR PRI DEA TOW LOV JUS LOV JUS DEV STA FOR DEA LOV DEA
TOW FOR EPR MON JUD CHA EPR JUD HIE CHA EPS MAG DEV FOR JUS JUD STA TOW HER HMN DEA LOV
STA HER HIE EPS FOL SUN LOV HIE MAG SUN DEA MAG DEV SUN FOR HIE FOR HER STA DEA CHA LOV
MON EPS SUN EPS MON STR MAG HMN FOL STA TEM STR HIE MAG HMN HMN DEA HMN DEA MON DEA HER
SUN EPS FOR FOL LOV DEV MAG JUS PRI JUD TOW CHA TOW EPS EPS FOR LOV DEA CHA DEA SUN CHA
JUD TEM SUN TEM STA HMN FOL EPR TOW SUN TEM FOL TEM FOL STR CHA DEA LOV LOV HER CHA JUD
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page revision: 25, last edited: 08 May 2010 22:34
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