Gyarans are black spherical creatures composed of multiple cursed spirits that float off the ground who seek to ingest the freed souls of Genma before an Oni warrior can claim them.
| Onimusha Characters | |
|---|---|
| Heroes | |
| Oni Warriors Akane Yagyū | Ako | Ekei Ankokuji | Hideyasu Yūki | Jacques Blanc | Jūbei Yagyū | Kaede | Kotarō Fūma | Magoichi Saiga | Ohatsu | Oyu | Roberto Frois | Samanosuke Akechi | Hideyasu Yūki | |
| Support Characters | |
| Genma | |
| Demons Babian | Barabazuu | Barthah | Battobone | Battochyka | Bazuu | Brainstern | Dark Crow | Dark Puppet | Dark Spider | Demonic Skeleton Knight | Dongorr | Dorabazuu | Dordio | Dordo | Fobora | Fugaku | Fortinbras | Gajimaro | Gargant | Genma Tree | Gertrude | Gilzorm | Ginghamphatts | Gogandantess | Golden Evil Statue | Gorr | Guildenstern | Gyaran | Hecuba | Jujudormah | Marcellus | Mother Genma Tree | Nuraubis | Osric | Vega Donna | Zabiet | Zagat | Zmoh | Zolworm | Zombie Warrior | Zorm | |
| Humans Nobunaga Oda | Hideyoshi Toyotomi | Ranmaru Mori | Mitsunari Ishida | Sakon Shima | Munenori Yagyū |
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