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