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