Here is the full list of all 51 Way of the Samurai 4 trophies - there are 38 bronze, 11 silver, 1 gold and 1 platinum.
Learned all moves associated with the shinobi style.
Learned all moves associated with the low-ready position.
Learned all moves associated with the one-handed ready position.
Learned all moves associated with the quick-draw style.
Learned all moves associated with the spear style.
Learned all moves associated with the side ready position.
Learned all moves associated with the high-ready position.
Learned all moves associated with the gun wielding style.
Successfully completed 100 night crawling appointments.
Learned all moves associated with hand-to-hand combat.
Learned all moves associated with the mid-ready position.
Caught a total of 100 fish.
Learned all moves associated with the shinobi dual arms style.
Learned all moves associated with the dual arms style.
Created a new fighting style.
Acquired 10,000 samurai points.
Acquired all titles.
Acquired 100 different weapons.
Mastered 100 moves total.
Mastered the Tokyu fighting style.
Finished the game in harakiri mode.
Destroyed 10 enemy weapons.
Watched the "Light of Hope" ending.
Successfully completed the final job mission.
Forged an original weapon.
Finished the game in hard mode.
Acquired 50 styles, not including My Style.
Melted 100 weapons total.
Acquired 9,999 skill points.
Won 10 times at gambling.
Caught the legendary fish.
Ate all the food from restaurants and food vendors.
Completed 100 combo strikes.
Changed Sensei's destiny.
Successfully completed 100 job missions.
Defeated your character from a previous playthrough.
Defeated a dojo challenger.
Enlisted a new disciple for the first time.
Changed Dojima's destiny.
Caught a fish for the first time.
Survived the torture game.
Played through to the ending.
Succeeded in a night crawling mission.
Made a night crawling appointment.
Strengthened own weapon for the first time.
Mastered a new move for the first time.
Successfully completed a job mission for the first time.
Killed an enemy for the first time.
Acquired all trophies.
Unlocked all fashion items.
Defeated 15 invading duelists.