Here is the full list of all 36 Way of the Passive Fist achievements.
Defeat at least 5 enemies at once with the Gravity Well attack
Play through any Chapter twice in a row
Defeat a boss without taking damage
Obtain all gold medals in all scenes
Parry 10,000 attacks
Accumulate 400,000 XP across all Chapters
Achieve a combo of 100
Discover 20 different caches
Perform the Gravity Well attack
Complete Chapter 7 in under 20 minutes
Complete any Chapter (1-9) without activating a checkpoint (in Story Mode)
Defeat 100 robotic enemies
Defeat 100 plant creatures
Clear Story Mode
Obtain all gold medals in a Chapter
Defeat the final boss
Find the turtle soup healing item
Defeat the boss of Chapter 7
Defeat the boss of Chapter 5
Defeat 500 enemies
Perform a Super Slam attack
Defeat the boss of Chapter 3
Perform a Power Punch 5 times in a single scene
Defeat 100 sun worshippers
Achieve a combo of 50
Achieve a x5 multiplier
Defeat 100 enemies
Defeat the boss of Chapter 1
Parry 100 attacks
Perform a Power Punch attack
Obtain a gold medal in any scene
Clear Arcade Mode (10CC or 1CC) without dying
Find a 1-UP item
Clear 10CC Mode
Clear 1CC Mode
Clear all Chapters on Way of the Master