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Digital Devil Story: Megami Tensei Fusion Calculator

Famicom, 1987

Pick two allies to see what they make, or pick a demon to list every pair that makes it. Each ally belongs to one of 23 fusion groups, and the two groups alone decide the result. 101Leafy researched the game for these rules and checked the results in play.

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Fuse two demons

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Every way to make a demon

Fusion rules

  1. Every ally belongs to one of 23 fusion groups. The two groups alone decide the result, so levels never change it.
  2. The game looks for the second demon's group in the first group's list, then for the first group in the second list. A pair in neither list makes Dryad.
  3. The result is refused when its level is more than 7 above the hero's level.
  4. There is no three-demon fusion and no elemental rule. Salamander and the other spirits fuse by group like any ally.
  5. The moon phase does not change the result, and fusion never has an accident.

Fusion groups

Group 1Krishna, Odin, Ganesha
Group 2Wong Long, Barong, Sphinx
Group 3Anubis, Chimera
Group 4Kali, Thor, Yaksha
Group 5Susano-O, Naga
Group 6Hanuman, Jinn, Cu Chulainn
Group 7Tsukuyomi, Laksmi, Alraune
Group 8Don, Sebek, Bastet
Group 9Apis, Ragon, Baku
Group 10Salamander, Pazuzu, Kwancha
Group 11Kelpie, Kutam, Treant
Group 12Cerberus, Wyvern, Quetzalcoatl
Group 13Basilisk, Bahara, Stonka
Group 14Bander, Nekomata, Cancer
Group 15Werewolf, Lamia, Girtab
Group 16Orias, Werecat, Siren
Group 17Lemurian, Solas, Heqet
Group 18Giant, Rakhe, Dwarf
Group 19Fungus, Viy, Yomotsu-Shikome
Group 20Gnome
Group 21Bogle, Pooka, Fomorian
Group 22Elf, Troll, Goblin
Group 23Dryad

Group chart

Find the first demon's group on the left and the second's along the top. The cell is the result, and a dash means Dryad.

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Group 1-------Wong LongBarong----------Sphinx--Gnome
Group 2---KrishnaKrishnaOdinOdin------------Thor--Odin
Group 3---OdinOdinGaneshaGanesha------------Yaksha--Ganesha
Group 4-KrishnaOdin--GaneshaGaneshaWong LongBarongSphinxAnubis--------Cu Chulainn--Anubis
Group 5-KrishnaOdin--GaneshaGaneshaBarongSphinxAnubisChimera--------Tsukuyomi--Chimera
Group 6-OdinGaneshaGaneshaGanesha--SphinxAnubisKaliThor--------Bastet--Susano-O
Group 7-OdinGaneshaGaneshaGanesha--ChimeraChimeraYakshaSusano-O--------Apis--Naga
Group 8Wong Long--Wong LongBarongSphinxChimera--HanumanHanuman--------Pazuzu--Laksmi
Group 9Barong--BarongSphinxAnubisChimera--JinnCu Chulainn--------Kwancha--Alraune
Group 10---SphinxAnubisKaliYakshaHanumanJinn--------JinnCu ChulainnBahara--Ragon
Group 11---AnubisChimeraThorSusano-OHanumanCu Chulainn--------TsukuyomiLaksmiStonka--Baku
Group 12-----------DonDonSebekDonSebekBastetKaliThorOriasTsukuyomiTsukuyomiKelpie
Group 13-----------DonSebekBastetApisApisRagonYakshaSusano-OWerecatLaksmiLaksmiKutam
Group 14-----------SebekBastetBastetRagonBakuBakuNagaNagaSirenAlrauneAlrauneTreant
Group 15-----------DonApisRagonApisApisRagon--FungusBasiliskBaharaBander
Group 16-----------SebekApisBakuApisRagonBaku--ViyStonkaBanderNekomata
Group 17-----------BastetRagonBakuRagonBakuBaku--Yomotsu-ShikomeNekomataCancerCancer
Group 18---------JinnTsukuyomiKaliYakshaNaga---SalamanderPazuzuTrollSalamanderPazuzuLemurian
Group 19---------Cu ChulainnLaksmiThorSusano-ONaga---PazuzuKwanchaGoblinKwanchaKelpieSolas
Group 20SphinxThorYakshaCu ChulainnTsukuyomiBastetApisPazuzuKwanchaBaharaStonkaOriasWerecatSirenFungusViyYomotsu-ShikomeTrollGoblin-KutamTreantHeqet
Group 21-----------TsukuyomiLaksmiAlrauneBasiliskStonkaNekomataSalamanderKwanchaKutamKelpieKutamGnome
Group 22-----------TsukuyomiLaksmiAlrauneBaharaBanderCancerPazuzuKelpieTreantKutamTreantGnome
Group 23GnomeOdinGaneshaAnubisChimeraSusano-ONagaLaksmiAlrauneRagonBakuKelpieKutamTreantBanderNekomataCancerLemurianSolasHeqetGnomeGnome-