Here is the full list of all 50 Way of the Samurai 3 achievements.
Cleared the game in Hard difficulty.
Broke an opponent's weapon.
Obtained 5 titles.
Cleared the game in Normal difficulty.
Completed the game.
Cleared the game in Easy difficulty.
Total Samurai Points exceeded 10000 points.
Obtained all Outfits.
Obtained all Heads.
Total Samurai Points exceeded 2000 points.
Obtained an extra Sword Safe.
Total Samurai Points exceeded 200 points.
Defeated an opponent with a Blunt Attack.
Learned a skill for the first time.
Created a weapon.
Completed a job successfully.
First time killing an enemy.
Completed and discovered the True Ending.
Completed and discovered 5 Endings.
Completed and discovered all Endings.
Cleared game with more than 120% Samurai Rating.
Cleared the game in Instant Kill difficulty.
Mastered all skills of Upper Stance.
Mastered all skills of Middle Stance.
Mastered all skills of Lower Stance.
Mastered all skills of Single Stance.
Mastered all skills of Side Stance.
Mastered all skills of Spear Stance.
Mastered all skills of Bare Hands Stance.
Mastered all skills of Draw Stance.
Mastered all skills of Ninja Stance.
Mastered all skills of Dual Sword Stance.
Mastered all skills of Ninja Dual Sword Stance.
Played more than 10 hours.
Forged a weapon for the first time.
Mastered all skills for a weapon.
Mastered all skills for thirty weapons.
Achieved 10 Chain Kills.
Achieved 100 Chain Kills.
Learned a total of 10 skills.
Learned a total of 100 skills.
Obtained 10 different weapons.
Obtained 50 different weapons.
Completed 50 jobs successfully.
Obtained a partner.
Defeated Shuzen Fujimori.
Defeated Sensei at the Dojo.
Obtained 20 titles.
Killed an enemy using a weapon with zero durability.
Defeated an enemy with Blunt Attack using a weapon with zero durability.