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