Here is the full list of all 45 Dynasty Warriors 7 Empires trophies - there are 32 bronze, 9 silver, 3 gold and 1 platinum.
Hold a banquet.
View one of the game's endings with a created character.
View the ending for the "Wise" Fame Type.
Complete one of the scenarios within Empire Mode.
Obtain the highest "Wise" Fame Rating.
Raise a banner of your own for the first time.
View the "Boredom" event.
Use the Three Visits to befriend an officer.
Start a rebellion and become a Ruler of your own kingdom.
Become Ruler for the first time.
Obtain the highest "Brave" Fame Rating.
Obtain all of the abodes within the game.
Capture a powerful enemy officer.
Be appointed Marshal for the first time.
Swear a sworn sibling oath for the first time.
Get married for the first time.
Be appointed Prefect for the first time.
Win a battle while retaining 90% or more of your troops.
Enter enemy territory alone and defeat an enemy officer.
Participate in a joint training exercise.
Obtain all of the trophies in the game.
View the ending for the "Brave" Fame Type.
View the ending for the "Kind" Fame Type.
View the ending for the "Orderly" Fame Type.
View the ending for the "Affluent" Fame Type.
View the ending for the "Evil" Fame Type.
Obtain the highest "Kind" Fame Rating.
Obtain the highest "Orderly" Fame Rating.
Obtain the highest "Affluent" Fame Rating.
Obtain the highest "Evil" Fame Rating.
Be appointed Strategist for the first time.
Become Emperor for the first time.
Use all of the available Stratagems.
Successfully negotiate 10 diplomatic treaties.
Use the "Slander" command.
Have 3 or more territories in a state of Happiness.
Obtain a new territory through virtuous means.
Win a battle without swinging your weapon even once.
Obtain all of the edit parts for your created characters.
Execute 10 officers.
Be abandoned by one of your subordinate officers.
Betray your commanding officer.
Go from a common free officer to Emperor and view one of the game's endings.
Learn the Stratagem, "Sorcery."
Complete one of the scenarios on the Chaos difficulty level.