Dynasty Warriors 4 Unlockable: Level 10 Weapons
These should be done on the Hard difficulty setting and characters should already have their level 9 weapons:
* Da Qiao
Play the Battle Of Xu Chang level on the Wu side. Defeat Deng Ai, Hu Zhi, and Dian Wei.
* Dian Wei
Play the Battle Of Wan Castle level. Defeat Hu Che Er, then join with Cao Cao. After the Cao Cao conversation with Dian Wei event, deplete about half of Zhang Xiu’s HP and he will retreat. After the castle gate closes, clear the map of enemies for Cao Cao to advance. After Cao Cao reaches the dead end, two fire blocking exit messages will appear. After the Xu Chu breaks through wall event, Dian Wei earns his Level 10 Weapon.
* Dong Zhou
Play the Lu Bu’s Revolt level. Kill everybody on the screen where Lu Bu is the only one alive. If done correctly, Dong Zhou will make a comment.
* Guan Yu
Kill all the Wu generals at the Fan Castle level. Make sure that all your soldiers switch sides before you kill the Wu generals.
* Huang Gai
On the Battle Of Chi Bi level, eliminate all enemy entry points before the fire attack, then defeat Cao Ren, Cao Hong and Cao Pi.
* Lu Bu
Play the Lu Bu Rebellion level. Clear the entire stage of every enemy so that only Dong Zhuo remains alive. Be sure to kill every general and sub-general yourself. Lu Bu will earn his Level 10 weapon. Note: If the weapon does not appear after only Dong Zhuo is alive, move around the map awhile. There may still be ambush troops you did not encounter.
* Lu Xun
On the Battle of Yi Ling level, protect and keep Zhu Ran alive until he successfully triggers the fire attack. Enter stone maze, and pass through it.
* Ma Chao
In the Chen Du Suppression level go to the left side of the map to trigger the appearance of enemy back-up troops. Kill the enemy back-up troop generals Pang De and Ma Dai. Note: This can only be done in Musou mode, because the generals will be Ma Chao and Ma Dai in free mode.
* Meng Huo
Play the Battle Of Cheng Du level as Meng Huo on the Nanman Forces. Kill every character that is playable. Note: Make sure you personally kill the character and have his level weapon. You will get his level 10 weapon, King Of Beast.
* Pang Tong
Play the Battle Of Luo Castle on the Shu side. When Zhang Ren appears, decline his duel challenge. Destroy the bridge and kill Zhang Ren.
* Sima Yi
Ho to Battle Of Wu Zhang Plains level and defeat Wei Yan, Jaing Wei, and Ma Chao. A message will appear, stating that Dark Feather has been unlocked.
* Sun Jian
Play the Search For The Imperial Seal level with Sun Jian. You must defeat Li Jue, Zhang Liao, Diao Chan, and Lu Bu. Finish the level with Sun Jian’s level 9 weapon to get his level 10 weapon.
* Xiahou Dun
On the Battle of Xia Pi level, after the Xiahou Dun shot by an arrow event, defeat Diao Chan.
* Xiahou Yuan
On the Battle of Mount Ding Jun level, immediately kill the exchanging hostage Chen Shi. Then move directly to Huang Zhong. Defeat Huang Zhong.
* Yuan Shao
Play the Battle Of Guan Du level as Yuan Shao. Protect the ramming vehicle until the castle wall falls. You will then get the Sword Of Kings.
* Zhang He
On the Battle Of Jie Ting level, surround Ma Su and defeat him. Then, defeat all enemy generals and sub-generals.
Dynasty Warriors 4 Unlockable: Bodyguard Manual Item
Play the Guan Yu’s Escape level on the Shu side. When Xiahou Dun appears, let him catch up to Guan Yu. Let them talk and the item will appear near the boat.
Dynasty Warriors 4 Unlockable: Hidden Items
* Charge Bracer: Play the Sun Jian Invasion Battle level as Yuan Shao’s side. Enter the castle at the top before the enemy backup arrives. A supply team will appear to the south of the castle. Defeat the Supply Captain to get the bracer.
* Art of War Scroll: Follow the same procedure to get the Charge Bracer, but with Dong Zhou’s campaign at the Campaign against Sun Jian. Kill the generals until the Supply Captain appears, then kill him to get the item.
* Elephant Saddle: Play the Nanman Campaign level as the Nanman forces. Get on an elephant and ride into the enemy’s main base. The special item message will appear in your main fort.
* Hex Mark saddle: Beat all Musou modes until you get the Yellow Turban Musou mode. Select the Yellow Turban Fort Attack level. Beat it and choose the Liu Bei invasion battle. Defeat Zhou Yun and Guan Yu before backup troops arrive, then defeat the other enemy generals. Bring Liu Bei’s health down to about half and the special item report should appear on the little island on the lower right corner of the level.
* Red Hare saddle: Play the Battle Of Xia Pi as Lu Bu’s forces and do not kill any enemy officers. Let Guan Yu find the Red Hare, then kill him.
* Shadow Rider saddle: Play the Battle At Tong Gate as the Shu forces. First, beat the four generals in the bottom right corner, then defeat Xu Huang’s sub-officer and then Xu Huang. Beat Cao Cao’s two sub-generals, then wait for Han Sui to meet with Cao Cao. After that, fight Cao Cao’s men until his morale is one star. After a brief intermission, the special item will appear near the bottom right enemy Gate Captain.
* Survival Guide: You need to have the two Qiaos. To do this, use Wu and complete the Yellow Turban Fortress and Yellow Turban Rebellion. Then, go to save Xiao Qiao and her sister, Da Qiao. The special item message will appear. Then, complete the mission.
* The Way Of Musou: First, get Guan Yu’s Escape for Wei. Do this by clearing the Yellow Turban Rebellion first in Act 1, then in Act 2. After the Battle of Guan Du in Act 3, it will be Wei Tales, Guan Yu’s Escape. When at Guan Yu’s Escape, pass the fifth gate and a Supply Team will appear around the fourth gate. Dart back, kill the Supply Captain and get the item he drops.
* Wind Scroll: Play the Battle of Xu Chang as the Shu Forces. When Yue Ying begins to set up the Siege Ramp, protect her. You also have to kill Xu Zhu before your rear flank dies. If you do this, the special item message will appear. The item will appear around the top of map, slightly off center.
Dynasty Warriors 4 Unlockable: Jiang Wei
Want to get a new character for shu? Clear Musou mode with Zhuge Liang and you will get Jiang Wei.
Dynasty Warriors 4 Unlockable: Edit Function
To unlock this, unlock all 42 characters. Then, beat the game with one character from each force.
Dynasty Warriors 4 Unlockable: Zhang He
Make Zhang He surrender to you at the Battle of Guan Du.
Dynasty Warriors 4 Hint: Dynasty Warriors 3 Costumes
You can view your characters in their original Dynasty Warriors 3 costumes by fighting against yourself–one of the clones will be wearing the Dynasty Warriors 3 costume.