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Website and data research by 101Leafy.

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Fusion

Devil Survivor 2

101Leafy researched the game for these rules. 221 of the 221 demons can be made by fusion, and 146 of the 24531 possible pairs fail.

How fusion works

  1. Two demons of different races make a demon of the race the chart below gives. The target level is the two base levels added, halved and rounded down, plus 1.
  2. The result is the lowest demon of that race with a base level at or above the target. When no demon of the race reaches it, you get the highest one. Demons that only come from a special fusion are passed over.
  3. Two demons of the same race make the Element the chart shows for that race.
  4. An Element fused with a demon moves the demon one place up or down its race by level, as the second table shows. Past the top or the bottom it fails, and so does a Fiend, a Hero, or a demon that only comes from a special fusion.
  5. Two different Elements make a Mitama. The same Element twice fails.
  6. A Mitama fused with any other demon, an Element too, gives back that demon. Two Mitamas fail.
  7. 13 demons come only from their special fusions.
  8. Some demons cannot be fused until they are opened: 26 through Fate with your allies and 20 through the story.

Race chart

Pick the row of one parent and the column of the other. The cells on the diagonal are the Element two demons of that race make.

OmegaMegamiDeityVileSnakeDragonDivineAvianFallenAvatarBeastWilderGenmaFairyTyrantKishinToukiJakiFemmeGhostFiendHero
OmegaFlaemisFlaemisVileTyrantDragonKishinToukiDeityKishinVileWilderAvatarFallenMegamiGhostDeityMegamiFemmeKishinMegamiToukiVileMegami
MegamiVileAquansAquansKishinOmegaFairyJakiAvatarDivineFemmeSnakeGenmaFairyBeastWilderOmegaToukiAvianFemmeDivineVileOmegaTyrant
DeityTyrantKishinFlaemisFlaemisTyrantOmegaVileMegamiFemmeKishinJakiAvianToukiWilderSnakeVileFairyKishinTyrantDragonFairyTyrantKishin
VileDragonOmegaTyrantAerosAerosDeityTyrantAvianJakiAvianTyrantDragonFallenKishinToukiDeityJakiGenmaGenmaTyrantDeityKishinOmega
SnakeKishinFairyOmegaDeityAquansAquansWilderMegamiVileMegamiDeityAvatarToukiDeityBeastDragonDivineKishinDivineFallenDragonMegamiDeity
DragonToukiJakiVileTyrantWilderFlaemisFlaemisFallenFemmeBeastGhostJakiGenmaFallenFallenGhostGenmaWilderAvianGhostWilderSnakeDivine
DivineDeityAvatarMegamiAvianMegamiFallenAerosAerosSnakeTyrantMegamiAvatarAvatarDragonAvatarDeityFemmeBeastKishinMegamiAvianVileMegami
AvianKishinDivineFemmeJakiVileFemmeSnakeAerosAerosMegamiDivineGenmaSnakeDivineSnakeAvatarDeityBeastAvatarDivineBeastMegamiDivine
FallenVileFemmeKishinAvianMegamiBeastTyrantMegamiErthysErthysToukiFemmeDragonTyrantDivineOmegaJakiAvianBeastDragonFairyGenmaTyrant
AvatarWilderSnakeJakiTyrantDeityGhostMegamiDivineToukiAquansAquansDivineJakiSnakeMegamiFallenDeityKishinFairyGenmaSnakeVileDeity
BeastAvatarGenmaAvianDragonAvatarJakiAvatarGenmaFemmeDivineFlaemisFlaemisGhostJakiFemmeDragonAvianFairyToukiFairyWilderSnakeSnake
WilderFallenFairyToukiFallenToukiGenmaAvatarSnakeDragonJakiGhostErthysErthysVileAvianJakiGhostSnakeDragonAvatarToukiDragonAvatar
GenmaMegamiBeastWilderKishinDeityFallenDragonDivineTyrantSnakeJakiVileAerosAerosBeastVileSnakeAvatarAvianToukiDivineDeityDeity
FairyGhostWilderSnakeToukiBeastFallenAvatarSnakeDivineMegamiFemmeAvianBeastAerosAerosWilderVileBeastGhostFallenJakiFemmeGenma
TyrantDeityOmegaVileDeityDragonGhostDeityAvatarOmegaFallenDragonJakiVileWilderErthysErthysFallenSnakeFemmeWilderFemmeOmegaSnake
KishinMegamiToukiFairyJakiDivineGenmaFemmeDeityJakiDeityAvianGhostSnakeVileFallenAquansAquansOmegaGenmaGenmaVileVileOmega
ToukiFemmeAvianKishinGenmaKishinWilderBeastBeastAvianKishinFairySnakeAvatarBeastSnakeOmegaFlaemisFlaemisWilderFairyGenmaKishinKishin
JakiKishinFemmeTyrantGenmaDivineAvianKishinAvatarBeastFairyToukiDragonAvianGhostFemmeGenmaWilderErthysErthysBeastFallenGenmaGenma
FemmeMegamiDivineDragonTyrantFallenGhostMegamiDivineDragonGenmaFairyAvatarToukiFallenWilderGenmaFairyBeastAquansAquansFairyMegamiMegami
GhostToukiVileFairyDeityDragonWilderAvianBeastFairySnakeWilderToukiDivineJakiFemmeVileGenmaFallenFairyErthysErthysFairyFemme
FiendVileOmegaTyrantKishinMegamiSnakeVileMegamiGenmaVileSnakeDragonDeityFemmeOmegaVileKishinGenmaMegamiFairyAquansAquansGhost
HeroMegamiTyrantKishinOmegaDeityDivineMegamiDivineTyrantDeitySnakeAvatarDeityGenmaSnakeOmegaKishinGenmaMegamiFemmeGhostFlaemisFlaemis

Elements and races

Up moves the demon to the next higher demon of its race, down to the next lower one.

FlaemisFlaemisAquansAquansAerosAerosErthysErthys
OmegaDownDownDownDown
MegamiDownDownDownDown
DeityDownDownDownDown
VileDownDownDownDown
SnakeUpUpDownDown
DragonDownUpUpUp
DivineUpUpDownDown
AvianUpUpUpDown
FallenUpDownUpDown
AvatarUpDownDownDown
BeastUpDownUpDown
WilderUpUpDownUp
GenmaDownUpUpDown
FairyDownUpUpUp
TyrantDownDownDownDown
KishinDownDownDownUp
ToukiUpDownDownUp
JakiDownUpDownUp
FemmeUpUpDownUp
GhostDownDownUpUp
FiendFailsFailsFailsFails
HeroFailsFailsFailsFails

Mitamas

A Mitama fused with another demon gives back that demon.

Special fusions

Demons Fate opens

Raising your Fate with an ally opens two demons for fusion. The first opens at a lower Fate rank, the second at a higher one.

Daichi ShijimaHanumanHanumanWu KongWu Kong
Hinako KujouPeriPeriIsisIsis
Otome YanagiyaHaritiHaritiAmaterasuAmaterasu
Fumi KannoOdinOdinAgaresAgares
Yamato HotsuinMithraMithraBaalBaal
Anguished OneAsuraAsuraLuciferLucifer
Ronaldo KurikiIntiIntiOmeteotlOmeteotl

Demons the story opens

These demons can only be fused after a story event opens them.