Here is the full list of all 50 YAIBA: Ninja Gaiden Z trophies - there are 36 bronze, 11 silver, 2 gold and 1 platinum.
Collect all other trophies.
Complete every Mission on Hell difficulty.
Complete Arcade Mode.
Kill 5,000 zombies.
Congeal 50 enemies with bile crystals.
Complete every Mission on Nightmare difficulty.
Play Arcade Mode.
Get 50 Legend arena scores.
Unlock all of Yaiba's upgrades.
Enter Ninja Time 50 times.
Create 7 plague clouds.
Collect all the health shards.
Take no damage and achieve Legend status in 10 arenas.
Counter each enemy type.
Chain 5 or more executions together.
Execute each type of enemy that can be executed.
Get 25 Legend arena scores.
Complete every Mission on Hard difficulty.
Complete Mission 7.
Yaiba sets aside time for traveling.
Complete Mission 6.
Yaiba gets some fresh air.
Cause each type of elemental effect on zombies and in the environment.
Cause 50 elemental effects.
Collect all of the story collectibles.
Yaiba returns to the scene of the crime.
Collect all the elemental shards.
Activate Bloodlust 10 times.
Kill 1,000 zombies.
Harvest each type of enemy that can be harvested.
Yaiba doesn't sleep well.
Complete Mission 5.
Yaiba finds religion.
Yaiba brings up a good point.
Complete Mission 4.
Yaiba joins the crowd.
Yaiba directs traffic.
Throw 50 zombies.
Complete Mission 3.
Yaiba gets his hands dirty.
Complete Mission 2.
Destroy an obstacle with elemental effects.
Yaiba reveals a family secret.
Yaiba survives quite the tumble.
Complete Mission 1.
Yaiba gets an armful.
Achieve a 200-hit streak.
Achieve a 100-hit streak.
Achieve a 50-hit streak.
Yaiba has a rude awakening.