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