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