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