Here is the full list of all 54 Samurai Warriors 4 trophies - there are 44 bronze, 7 silver, 2 gold and 1 platinum.
Obtain all trophies.
Unlock 100% of all events for viewing in the Vault.
Attain an objective clearance rate (as displayed in the Vault) of 100%.
Claim victory in all Story Mode battles using all available characters.
Unlock 100% of all music tracks for listening to in the Vault.
Claim victory in all Story Mode battles.
Clear the "Legend of the Sanada" in Story Mode.
Complete your chronicle of the age by writing biographies of all officers.
Raise your Friendship Levels with all famous officers to max in Chronicle Mode.
Obtain all rare weapons.
Obtain 20 different types of rare weapon.
Increase a character's abilities beyond their maximum level.
Clear a stage on the "Nightmare" difficulty level.
Obtain a rare weapon.
Raise the level of any famous character to max.
Obtain the family treasures of all famous officers.
Unlock 50% of all events for viewing in the Vault.
Attain an objective clearance rate (as displayed in the Vault) of 50% or higher.
Clear the "Legend of a Land United" in Story Mode.
Purchase the mount Matsukaze.
Unlock all playable characters in Free Mode.
Raise your Friendship Level with a famous officer to max in Chronicle Mode.
Clear the "Legend of the Uesugi" in Story Mode.
Clear the "Legend of Kinki" in Story Mode.
Attain a total K.O. count (as displayed in the Vault) of 100,000.
Use a Spirit Charge to break through the block of an enemy officer.
Clear the "Legend of Shikoku" in Story Mode.
Spend a cumulative total of 100,000 Gold at the Shop.
Defeat 500 enemies using Musou Attacks in a single battle.
Clear the "Legend of Tohoku" in Story Mode.
Clear the "Legend of Kyushu" in Story Mode.
Clear the "Legend of Chugoku" in Story Mode.
Clear the "Legend of the Oda" in Story Mode.
Obtain the family treasure of a famous officer.
Defeat an enemy using a Hyper Attack while in Rage mode in a red zone.
Clear the "Legend of Kanto" in Story Mode.
Unlock 50% of all music tracks for listening to in the Vault.
Defeat five enemy officers using Mighty Strikes in a single battle.
Clear the "Legend of the Tokugawa" in Story Mode.
Clear the "Legend of the Takeda" in Story Mode.
Restore an allied officer's Health by using an item.
Write your first biography in your chronicle of the age.
Create a custom character.
Defeat 1000 enemies using Hyper Attacks in a single battle.
Enter Rage mode five times in a single battle.
Achieve a combo count of 1000 or more.
Achieve a combo count of 2000 or more.
Achieve 1000 K.O.s in a single battle.
Achieve 2000 K.O.s in a single battle.
Claim victory in a battle.
Defeat an enemy officer while fulfilling the conditions for acquiring their family treasure.
Defeat a Standard Bearer and lower enemy morale.
Clear an objective by switching to your secondary player character.
Clear an objective.