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Part 37
Ninja Gaiden 4

Part 37

Walkthrough for Ninja Gaiden 4, Part 37: Learn how to defeat Spectral Doku, find the Key of the Decayed Soul, and navigate The Core.

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Walkthrough for Ninja Gaiden 4, Part 37: Learn how to defeat Spectral Doku, find the Key of the Decayed Soul, and navigate The Core.

Walkthrough
  1. 1
    Save your game at the Save Point. Use the Lioness Key to enter the next area for the boss battle.
  2. 2
    BOSS BATTLE: SPECTRAL DOKU
    • Doku has new attacks: Hover and Slam, Grab-and-Stab Combo.
  3. 3
    He often hovers and performs a quick slam attack. Roll away to evade.
  4. 4
    Baiting his Rush Attack is key. Roll away from it and counter with a Square, Triangle 2-hit combo. This deals 10-15% damage and pushes him back.
  5. 5
    Avoid his retaliation counter after he's pushed back.
  6. 6
    If Doku doesn't Rush Attack early, prepare for a long battle of waiting.
  7. 7
    MISSION COMPLETE!
  8. 8
    CHAPTER 18: THE CORE
  9. 9
    OBJECTIVE: REACH THE CORE
    • Equip the Flails and kill the Fish enemies.
  10. 10
    Grab the Raptor Deity statue to reveal the exit.
  11. 11
    Approach the Save Point and SAVE your game.
  12. 12
    Go to the far right for a chest.
  13. 13
    Go the other way and search a dead body for a MAP.
  14. 14
    Continue down the path, encounter enemies. Use Izuna Drops on Shadow Fiends and Ultimate Techniques (UTs) on Crab Fiends.
  15. 15
    Open a chest in the corner for a Devil Elixir.
  16. 16
    OBJECTIVE: FIND THE KEY OF THE DECAYED SOUL
    • AREA: PALACE COMPOUND
      • If the door to the Imperial Palace is locked, go back towards the large gateway.
  17. 17
    You will be swarmed by Ghost Fish. Use the Flails to kill them and collect essence.
  18. 18
    Open the doorway to trigger a cutscene.
  19. 19
    AREA: STAIRWAY TO THE IMPERIAL PALACE
    • After the cutscene, search a dead body for an item.
  20. 20
    LIFE OF THE GODS #27: Go back to Great Bridge Square. Enter the building Rachel cracked open. Use a Wall-To-Wall Run to the top ledge to find the last Life of the Gods. Equip it to increase your life bar.
  21. 21
    ENEMY AMBUSH: GREAT BRIDGE SQUARE
    • Across from the last Life OTG location, find a glowing portal in an enclosed arena.
  22. 22
    If the gate in Chapter 4 was not unlocked, go to the end of the alleyway, turn right, use a Bird Flip to reach an upper ledge, then jump down towards the portal.
  23. 23
    Enter the portal to fight Pink Shadow Fiends and Arioch Crab Fiends.
  24. 24
    Evade the Arioch Crab and focus on killing the Shadow Fiends first.
  25. 25
    Use leftover essence for a True Dragon Sword UT on the Arioch Crabs.
  26. 26
    Completing this challenge rewards a TALISMAN OF REBIRTH.
  27. 27
    Replenish stock at Muramasa's Shop if needed.
  28. 28
    Head back to the Imperial Palace entrance and enter with the Decayed Key.
  29. 29
    AREA: THE CORE - 1ST FLOOR
    • Kill Red Dinos with the Dabilahro, using Flaming Hell Slash and Flaming Whirlwind. Separate them to avoid attacks.
  30. 30
    Place the Wolf Deity statue on the mantle.
  31. 31
    Exit through the adjacent door, equip the Flails, and kill the Ghost Fish.
  32. 32
    Ascend the stairway, open a chest, and enter the next area.
  33. 33
    AREA: THE CORE - 2ND FLOOR
    • Kill the red dinos.
  34. 34
    Place the Devil Deity statue on the mantle.
  35. 35
    Exit through the adjacent door, use the Flails for Ghost Fish.
  36. 36
    Eliminate them and ascend to the third floor.
  37. 37
    AREA: THE CORE - 3RD FLOOR
    • Fight Crab Fiends. Equip the True Dragon Sword and use hard combos. Stay evasive and use Explosive Arrows.
Tips
  • Save your game frequently, especially before boss battles.
  • Baiting Doku's Rush Attack is the most effective strategy against him.
  • Use Izuna Drops on Shadow Fiends and UTs on Crab Fiends.
  • Prioritize killing Shadow Fiends during the Great Bridge Square ambush to manage the Arioch Crabs.
  • Stock up on healing items and arrows at Muramasa's Shop before entering the Imperial Palace.
  • Talisman of Rebirth (from Great Bridge Square Enemy Ambush)
  • Increased Life Bar (after collecting all Life of the Gods pieces)

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