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Yuito Sumeragi: Phase 11, Phase 12 and Post game
Scarlet Nexus

Yuito Sumeragi: Phase 11, Phase 12 and Post game

Complete walkthrough for Yuito Sumeragi's Phase 11, Phase 12, and post-game content in Scarlet Nexus. Includes boss strategies and preparation tips.

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Complete walkthrough for Yuito Sumeragi's Phase 11, Phase 12, and post-game content in Scarlet Nexus. Includes boss strategies and preparation tips.

Walkthrough
  1. 1
    Phase 11: Kunad Gate
    • Upon regaining control, prepare for the point of no return. Speak to Wakana.
  2. 2
    Enter Kunad Gate, defeat the initial Others, and proceed to the objective marker.
  3. 3
    After scenes, defeat enemies and use special object actions to unravel nearby clusters.
  4. 4
    Repeat the process of watching scenes, unraveling clusters, and defeating enemies after subsequent scenes.
  5. 5
    Return outside, read brain mail, and speak to everyone present.
  6. 6
    Standby (Phase 11)
    • The shop is updated for the final time.
  7. 7
    Complete the last few available bonding episodes.
  8. 8
    Give everyone presents, even those at max level (Level 6).
  9. 9
    Ensure all allies reach Level 6 bond.
  10. 10
    A Team Bonding episode for Level 4+ allies should be available.
  11. 11
    For Kasane's last event, go to Kikuchiba plaza for a scene, then fight Others alone without SAS.
  12. 12
    To reach Level 6 bond for all allies: give every possible present (marked with a checkmark in the shop), and for those still short, give 2-4 red heart gifts until they rank up.
  13. 13
    Complete 2 quests in Seiran and 1 in Suou.
  14. 14
    Interact with the table to prepare for the end game.
  15. 15
    Phase 12: Yuito Sumeragi
    • Preparation: Max all bond levels. Unlock brain map skills: reduce damage for Brain Field skills (both grant zero damage) and the two skills for multiple SAS activations (allowing 4 at once). Ensure you have the best gear.
  16. 16
    Memories of the beginning: Follow stairs down, go north. Defeat Others after scenes. Follow the path south, defeating Others and interacting with data spots.
  17. 17
    Memories of fighting: Continue fighting until scenes occur, then proceed.
  18. 18
    Memories of longing: Fight to the end of the area. Interact with the painting at the save point to proceed.
  19. 19
    Boss Fight:
    • Phase 1: The boss relies on a shield and water attacks. Maneuver to attack exposed parts or use SAS (Arashi, Kagero, Luka) to close distance and deal high damage. Multi-SAS skills are effective. Gemma SAS is recommended for some attacks.
  20. 20
    Phase 2: Difficult to damage normally. Wait for mist attack, then use PK attack for crush damage. Repeat once to brain crush.
  21. 21
    Phase 3: High attack power with a sword. Attack the arm after it swings, or spam Pyrokinesis melee and PK. Flamethrower ability is effective. Arashi or Kagero can exploit weaknesses.
  22. 22
    Phase 4 (Final Form): Combines abilities and weaknesses of previous forms. Use all available tactics. Exploit openings, damage the crush gauge, and brain crush 2-3 times. Brain Field can be used but is less effective.
  23. 23
    Post-Boss: Interact with the painting to proceed.
  24. 24
    Memories of Pursuit: Fight through the familiar path to the end.
  25. 25
    Memories of Rebellion: Reach an area identical to the second floor of the Supernatural research facility. Find the key card in the southwest part of this floor to open the door.
  26. 26
    Memories of Nightmare: Move straight ahead.
Tips
  • Boss Strategy Addition: To greatly reduce the boss's crush gauge, use Multi-SAS skills (4x activation) with allies at Bond Level 6. Use Kagero+Tsugumi+Shiden+Yuito/Kasane and PK attack while circling. Kagero's SAS grants critical hits; use PK attacks 3 times before invisibility ends, then reactivate. If the boss is shocked, it takes more damage.
  • Gear and Skills: Prioritize maxing bond levels and unlocking zero-damage Brain Field skills and 4x SAS activation skills. Ensure you have the best available gear.
  • Exploration: You can leave the final dungeon area at any time, so don't feel railroaded.
  • Bonding: Give all possible presents to maximize bond levels. Use red heart gifts if needed to reach Level 6.

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