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Part 3
Deltarune

Part 3

Complete walkthrough for Deltarune Part 3, covering Lancer's battle, the Jevil secret boss fight, and the final King boss encounter with strategies and item recommendations.

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Complete walkthrough for Deltarune Part 3, covering Lancer's battle, the Jevil secret boss fight, and the final King boss encounter with strategies and item recommendations.

Walkthrough
  1. 1
    Puzzle #1: A card puzzle. Tell Susie the solution: Spade, Diamond, Swap, Spade.
  2. 2
    Boss: Lancer - You are scripted to win. Focus on dodging Lancer's attacks.
  3. 3
    Hazard #1: Avoid rotating diamond chains.
  4. 4
    Puzzle #2: Push the box to win.
  5. 5
    Hazard #2: Avoid Scissor Dancers. For an extra challenge, interact with all Lancer portraits.
  6. 6
    Puzzle #3: Push the box to win.
  7. 7
    Sidequest: Free Jevil
    • Enter the basement elevator to reach ??????.
  8. 8
    Find the key to a cell.
  9. 9
    Broken Key A: Get from Seam (shopkeeper).
  10. 10
    Broken Key B: In the Scissor Dancers room, find the path in the bottom left where stars don't shine.
  11. 11
    Broken Key C: Solve Puzzle #4 in the Field using the Card Castle room order: Diamond, Swap, Diamond, Spade, Swap, Spade.
  12. 12
    Bring the three parts to Malius to repair. Return the complete key to the creature.
  13. 13
    Secret Boss: Jevil - No stats provided, prepare thoroughly.
    • Fighting Strategy: Kris (Spookysword, Amber Card x2), Susie (Brave Ax, Iron Shackle, Amber Card), Ralsei (Dainty Scarf, Dice Brace, White Ribbon). Focus on Susie as main damage and Ralsei as healer. Use Rude Buster and Heal Prayer (on Susie/Ralsei only).
  14. 14
    Reward: Devilsknife, Shadow Crystal
  15. 15
    Acting Strategy: Kris (Any weapon, Dice Brace/Iron Shackle, White Ribbon/Iron Shackle), Susie (Any weapon, Amber Card x2), Ralsei (Dainty Scarf, Dice Brace/Iron Shackle/Amber Card, White Ribbon/Iron Shackle/Amber Card). Gather TP for Kris's acts like Pirouette or Hypnosis to tire Jevil and pacify him. This method is harder.
  16. 16
    Reward: Jevilstail, Shadow Crystal
  17. 17
    Boss: K. Round (9 ATK 3 DEF)
    • Strategy: Kris (Any weapon, Dice Brace/Iron Shackle, White Ribbon/Iron Shackle), Susie (Any weapon, Dice Brace/Iron Shackle, Iron Shackle/Amber Card), Ralsei (Dainty Scarf, Jevilstail, Amber Card). This fight is easy. The goal is to loosen its crown. Use Kris's Bow or throw Ralsei at it and press C to hit the crown.
  18. 18
    Final Boss: King (8 ATK 0 DEF)
    • Special Acts: Courage (Kris, 20%TP), Red Buster (Susie, 60%TP), Dual Heal (Ralsei, 50%TP).
  19. 19
    Fighting Strategy: Kris (Spookysword, Dice Brace, White Ribbon), Susie (Devilsknife/Brave Ax, Iron Shackle, Amber Card), Ralsei (Dainty Scarf, Amber Card x2). Use Dual Heal for healing and Red Buster for damage.
  20. 20
    Acting Strategy: Kris (Any weapon, Dice Brace/Iron Shackle, White Ribbon/Iron Shackle), Susie (Any weapon, Amber Card x2), Ralsei (Dainty Scarf, Jevilstail, Dice Brace/Iron Shackle/White Ribbon). Use Courage + DEFEND to minimize damage. Use Dual Heal as needed. You cannot spare King; the goal is to survive.

Rouxls Kaard's Shop:

  • Rouxls Roux (50D$)
  • Brave Ax (150D$)
  • Dainty Scarf (200D$)
  • Amber Card (100D$)

Obtainable Items:

  • Revive Mint
  • Clubs Sandwich
  • Iron Shackle

End of Chapter Differences:

  • NPC dialogue in Card Castle changes based on fighting or sparing them.
  • The sequence after defeating King changes based on whether you fought enemies (A) or fought no one (B).

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