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