Here is the full list of all 49 Dynasty Warriors Next trophies - there are 38 bronze, 7 silver, 3 gold and 1 platinum.
Obtained all trophies.
Obtained all of the available growth items.
Completed all of the battles within the Coalition Mode.
Obtained all of the available weapons.
Formed a marriage pact with all of the officers.
Cleared the Conquest Mode a total of 50 times.
Obtained all of the available Officer Cards.
Formed a sworn oath with all of the officers.
Achieved the best possible Governance Rating.
Obtained all of the available Edit Character parts.
Successfully completed all of the Sudden Encounters with the best possible rating.
Successfully completed all of the Sudden Encounters.
Obtained all of the available armor.
Earned 1,000,000 Exp.
Defeated more than 100,000 enemies.
Completed a battle in either Campaign Mode or Conquest Mode without taking any damage.
Cleared the Conquest Mode a total of 5 times.
Completed a five forces map in Conquest Mode.
Formed a sworn oath with another officer.
Formed a marriage pact with another officer.
Defeated 3,000 enemies in one battle.
Achieved the worst possible Governance Rating.
Completed a four forces map in Conquest Mode.
Completed a three forces map in Conquest Mode.
Completed a two forces map in Conquest Mode.
Cleared the stage, "An Endless Quest."
Cleared all of the stages in the game.
Cleared the stage, "A Land United."
Viewed all of the movies in the game.
Earned 500,000 Exp.
Cleared the stage, "A Man of Virtue."
Cleared the stage, "The Tiger's Advance."
Cleared the stage, "Quiet Ambition."
Cleared the stage, "The Kingdom in Three."
Cleared the stage, "Battle of Chibi."
Completed Steeplechase, Bastion, Marksman and Calligrapher within the Gala Mode.
Cleared the stage, "The Three Visits."
Earned 100,000 Exp.
Cleared the stage, "The Struggle for Power."
Took a picture using the Musou Snapshot feature of the Gala Mode.
Cleared the stage, "Conqueror of Jiangdong."
Obtained all of the available orbs.
Created 10 Edit Characters.
Cleared the stage, "Anti-Dong Zhuo Coalition."
Defeated Lu Bu in the Campaign Mode.
Cleared the stage, "Yellow Turban Rebellion."
Defeated 1,000 enemies in one battle.
Completed a 500 hit combo.
Created a save data file.