Here is the full list of all 48 Ninja Gaiden 3: Razor's Edge trophies - there are 38 bronze, 7 silver, 2 gold and 1 platinum.
Obtained all trophies.
Defeated 1,000 enemies with the Lunar Staff.
Cleared the game on Ultimate Ninja difficulty.
Defeated 1,000 enemies with Dual Swords.
Cleared the game on Master Ninja difficulty.
Defeated 1,000 enemies with the Falcon's Talons.
Cleared the game on Hard difficulty.
Unlocked all Ninja Skills for Hayabusa, Ayane, Momiji and Kasumi.
Cleared 3 Ultimate Ninja Trials.
Reached the maximum karma multiplier during Bloody Rage.
Cleared 5 Master Ninja Trials.
Cleared 5 Leader Trials.
Defeated 1,000 enemies with the Eclipse Scythe.
Cleared all Tests of Valor.
Cleared all chapters with Ayane, Momiji, and Kasumi.
Cleared 10 Mentor Trials.
Defeated 1,000 enemies with the Kusari-gama.
Obtained all Golden Scarabs.
Defeated 1,000 enemies with the Heavenly Dragon.
Defeated 1,000 enemies with the Fuma Kodachi.
Defeated 1000 enemies with the Shrouded Moon.
Strengthened the Heavenly Dragon to Level 3.
Strengthened the Shrouded Moon to Level 3.
Cleared 10 Acolyte Trials.
Strengthened the Kusari-gama to Level 3.
Strengthened the Falcon's Talons to Level 3.
Strengthened the Dual Swords to Level 3.
Cleared the game on Normal difficulty.
Strengthened the Eclipse Scythe to Level 3.
Finished Day 7.
Achieved a 100-hit combo.
Defeated 1,000 enemies with the Katana.
Finished Day 6 - Ayane.
Strengthened the Fuma Kodachi to Level 3.
Finished Day 6.
Strengthened the Lunar Staff to Level 3.
Finished Day 5.
Strengthened the Katana to Level 3.
Finished Day 4.
Finished Day 3.
Finished Day 2 - Ayane.
Finished Day 2.
Successfully mastered the Izuna Drop technique.
Finished Day 1.
Successfully mastered a Ninpo spell.
Successfully mastered the Steel on Bone technique.
Successfully mastered an Ultimate Technique.
Successfully mastered the Obliteration Technique.