Gargant first appeared in Onimusha: Blade Warriors. Gargant was an Oni-turned traitor who became Nobunaga Oda's right-hand man and the mightiest Genma warrior alive. He also had a close relationship and a mutual respect for another great demon warrior, the famous swordsman, Gogandantess.
Gargant was a traitorous Oni who betrayed his clan and swore his allegiance to the nefarious Demon Lord Fortinbras. After the demise of Fortinbras, he had yielded his position as the righthand man under the new Genma Lord Nobunaga.
Onimusha: Blade Warriors
Gargant first met Samanosuke Akechi during the events of this game. It is not known how or under what circumstances, but 11 years after Blade Warriors, Kaede ended up fighting Gargant in a battle at Yamazaki Province and was killed.
Onimusha 3: Demon Siege
Shortly before Onimusha 3: Demon Siege takes place, Gargant was traveling with a massive Genma army preparing to meet Nobunaga. Samanosuke sought Gargant to avenge Kaede's death, and managed to destroy his entire army before confronting Gargant and killing him. Samanosuke had to go into his Oni form to defeat Gargant, and when his body exploded it released a massive shockwave destroying everything in the area, save for Samanosuke.
Onimusha: Dawn of Dreams
He also appears in Onimusha: Dawn of Dreams. The final test of the Oni Mansion, for Hideyasu Yūki, is to beat Gargant. Upon defeating him, Soki is bestowed with the Oni Globe which allows him to become an Onimusha. Gargant will also appear as the final boss of the Dark Realm along with three Dark Genma Generals.
Gargant appears as an enemy in Onimusha: Soul.
- His sword is called Garblade.
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