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