Here is the full list of all 44 Dynasty Warriors 9 trophies - there are 25 bronze, 16 silver, 2 gold and 1 platinum.
Obtained a High-class weapon.
Obtained a hideaway.
Completed the story of Wu.
Discovered 35% of the locations in the game.
Completed the story of Jin.
Achieved a 1,000 hit combo.
Defeated 1,000 enemies while mounted on a horse.
Completed the story of Shu.
Defeated a powerful enemy.
Juggled an enemy in the air for 5 seconds.
Completed the stories of the kingdoms other than Wei, Wu, Shu, and Jin.
Earned a total of 5,000 Hunting Points.
Completed a story.
Completed the story of Wei.
Earned a total of 90,000 gold.
Unlocked 45 officers.
Destroyed 100 structures.
Discovered a scenic area.
Defeated 1,000 enemies in a single battle.
Completed a key mission.
Completed a mission within 1 minute.
Unlocked an officer.
Completed the tutorial for one of the kingdoms.
Obtained all of the trophies in the game.
Unlocked all of the officers.
Earned a total of 100,000 K.O.s.
Raised an officer to the highest level.
Raised an officer's Attack to 900.
Raised a horse to the highest level.
Formed a bond at the maximum level with 20 officers.
Obtained 10 hideaways.
Unlocked all battle entries in the Encyclopedia.
Discovered 75% of the locations in the game.
Defeated 1,000 enemies with bow attacks.
Defeated 100 enemies with bow attacks.
Defeated 100 enemies with assault attacks.
Obtained 10 pieces of furniture.
Obtained 20 gems.
Obtained 30 weapons.
Performed synthesis 100 times.
Formed a bond at the maximum level with another officer.
Ate 100 meals.
Caught 30 items while fishing.
Obtained 30 items by using box traps.