Brainstern
Brainstern is actually a special weapon prototype designed for all attack purposes. It was created using the remains of various pieces of weapons and armor from an M-16 Tank. It was also created by Guildenstern and appears as an early boss encounter in 'Onimusha 3: Demon Siege'.
While it is a genma, this monster doesn't really have a direct weakness, other than its arms. It can be found on top of the Archway Monument in Paris. It primarily uses its turret guns to attack and can even launch flak grenades that come crashing down on its target. Brainstern appears for a second time on the Eiffel Tower.
| 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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