Samurai Warriors 3 Cheats

4th, Unique character weapons.
To get a character's 4th and ultimate weapon, that character needs to complete the tactical objectives of a set stage on hard or higher in their story mode. Characters without story mode get their weapons in free mode, with the exception of Takemaru, who has unique requirements for his 4th. Below are the required stages listed besides the characters who need to clear them for their 4ths.

CAW Naginata's 4th: Battle of Hasedo (Date army side)
CAW Spear's 4th: Siege of Osaka (Tokugawa army side)
CAW Sword's 4th: Battle of Sekigahara (Western army side)
Ginchio Tachibana's 4th: Escape from Ishigaki
Hanbei Takenaka's 4th: Assault at Chugoku
Hanzo Hattori's 4th: Suppression of Odawara
Hideyoshi Toyotomi's 4th: Battle of Komaki-Nagakute
Ieyasu Tokugawa's 4th: Siege of Osaka
Ina's 4th: Battle of Numata Castle
Kai's 4th: Riot at Kasai Osaki
Kanbei Koroda's 4th: Siege of Osaka
Kanetsugu Naoe's 4th: Battle of Hasedo
Katsuie Shibata's 4th: Battle of Tedorigawa (Oda army side)
Keiji Maeda's 4th: Battle of Hasedo
Kenshin Uesugi's 4th: Showdown at Shizugatake
Kiyomasa Kato's 4th: Escape from Ishigaki
Kotaro Fuma's 4th: Riot at Kasai-Osaki (Toyotomi army side)
Kunoichi's 4th: Rescue of Mitsunari
Magoichi Saikai's 4th: Battle of Hasedo
Masamune Date's 4th: Battle of Hasedo
Mitsuhide Akechi's 4th: Battle of Yamazaki
Mitsunari Ishida's 4th: Battle of Sekigahara
Motochika Chosokabe's 4th: Showdown at Anegawa
Motonari Mori's 4th: Battle of Yamazaki
Muneshige Tachibana's 4th: Battle of Sekigahara
Nagamasa Azai's 4th: Battle of Odani Castle
Nene's 4th: Suppression of Odawara
No's 4th: Battle of Inabayama Castle (Oda army side)
Nobunaga Oda's 4th: Incident at Honnoji
Oichi's 4th: Showdown at Yogoko Lakeside
Okuni's 4th: Battle of Kizugawa (Oda army side)
Ranmaru Mori's 4th: Incident at Honnoji (Oda army side)
Sakon Shima's 4th: Battle of Sekigahara
Shingen Takeda's 4th: Showdown at Nagashino
Tadakatsu Honda's 4th: Battle of Sekigahara
Takamaru's 4th: Curiouser and curiouser (third Takamaru only level in Murasame castle, beat on normal, NOT NIGHTMARE)
Toshiie Maeda's 4th: Battle of Komaki-Nagakute (Hashiba army side)
Uyijasu Hojo's 4th: Kanto Defense
Yoshihiro Shimazu's 4th: Breaking through Sekigahara
Yoshimoto Imagawa's 4th: Battle of Mimasetouge (Takeda army side)
Yukimura Sanada's 4th: Siege of Osaka