Skip to content
Scarlet Nexus

Scarlet Nexus

By ···10 min read·Multi-source verified
1 reading this guide  

Scarlet Nexus is a sci-fi action RPG where you play as either Yuito Sumeragi or Kasane Randall, members of the OSF (Other Suppression Force). You'll use powerful psionic abilities, like telekinesis and the Struggle Arms System (SAS), to battle the deranged mutants that plague humanity. The game features intertwined storylines, deep combat customization, and a visually striking world to explore.

This guide will help you master Scarlet Nexus, covering everything from advanced combat techniques and the Brain Map skill tree to finding all the collectibles and achieving the best endings. We'll break down challenging boss fights, explain the intricacies of the SAS system, and ensure you don't miss any crucial items or lore as you navigate the dual narratives.

Guide and Walkthrough (PS4) by vreaper

Scarlet Nexus walkthrough covering Yuito Sumeragi and Kasane Randall's story phases, combat mechanics, quests, and shops.

Walkthrough
  1. 1
    Yuito Sumeragi: Covers Phase 0 to 1, Phase 2, Phase 3-5, Phase 6-8, Phase 9-10, and Phase 11-12 plus post-game content.
  2. 2
    Kasane Randall: Covers Phase 0 to 1, Phase 2, Phase 3-6, Phase 7-8, Phase 9-10, and Phase 11-12 plus post-game content.
Tips
  • Understand the differences between protagonists and the reasons to play both.
  • Familiarize yourself with the combat mechanics explanation.
  • Explore the quests available for both Yuito and Kasane.
  • Learn about the Item Shop, Exchange Shop, and Musubi systems.
  • Understand the game's credit system.

Walkthrough: Yuito Sumeragi

Start Yuito Sumeragi's story in Scarlet Nexus. Learn about difficulty settings and early game choices.

Walkthrough
  1. 1
    After completing the legal and settings menus, you will be prompted to select one of three difficulty settings. These can be changed later, so do not worry about this choice too much.
  2. 2
    Start a new game.
  3. 3
    You will then be asked to select one of the two protagonist stories. This walkthrough will focus on Yuito Sumeragi.
  4. 4
    For the early parts of this walkthrough, locations of items and data spots will be listed. This will stop at a certain point as most of the game is linear and does not require a guide for item discovery.
  5. 5
    This walkthrough will provide helpful advice for dealing with bosses. For general combat or other information, please refer to other sections.
Tips
  • The choice of protagonist (Yuito Sumeragi or the other) offers different story experiences.
  • Difficulty settings can be adjusted at any time.

Guide and Walkthrough (PS4) by vreaper (2)

Scarlet Nexus Table of Contents for the guide, including walkthroughs for Yuito and Kasane, quests, shops, and more.

Walkthrough
  1. 1
    Introduction
  2. 2
    Combat Mechanics Explanation
  3. 3
    Important: Differences between Protagonists and reasons to play both
  4. 4
    Walkthrough: Yuito Sumeragi
    • Yuito Sumeragi: Phase 0 to 1
  5. 5
    Yuito Sumeragi: Phase 2
  6. 6
    Yuito Sumeragi: Phase 3,4 and 5
  7. 7
    Yuito Sumeragi: Phase 6, 7 and 8
  8. 8
    Yuito Sumeragi: Phase 9 to 10
  9. 9
    Yuito Sumeragi: Phase 11, Phase 12 and Post game
  10. 10
    Walkthrough: Kasane Randall
    • Kasane Randall: Phase 0 to 1
  11. 11
    Kasane Randall: Phase 2
  12. 12
    Kasane Randall: Phase 3, 4, 5 and 6
  13. 13
    Kasane Randall: Phase 7 and 8
  14. 14
    Kasane Randall: Phase 9 and 10
  15. 15
    Kasane Randall: Phase 11, Phase 12 and Post Game
  16. 16
    Quests: Yuito
  17. 17
    Quests: Kasane
  18. 18
    Item Shop
  19. 19
    Exchange Shop
  20. 20
    Musubi
  21. 21
    Credits

Important: Differences between Protagonists and reasons to play both

Discover why playing as both Yuito and Kasane in Scarlet Nexus is essential for the complete story, understanding unique perspectives, party members, and combat styles.

Alright, so you're diving into Scarlet Nexus, awesome! One of the coolest things about this game is that it actually has two main characters, Yuito and Kasane. When you pick one, you're seeing the story through their eyes, and let me tell you, it's a pretty different experience depending on who you choose.

Think of it like this: you'll follow their individual journeys, and while they're both part of the same overarching conflict, they'll be doing different things, learning different stuff, and meeting different people. Each protagonist has their own unique set of allies who join them on their quest, though you'll get to have bonding episodes with everyone, including the other protagonist, no matter who you're playing as.

Seriously, almost every event you experience will be unique to your chosen character, except for those special bonding moments you can have with each other. Even though they both wield psychic powers, the way they fight and the abilities they use feel distinct enough to make the gameplay itself feel fresh.

You'll also be exploring different areas and facing completely different bosses depending on whether you're playing as Yuito or Kasane. So, if you really want to get the full picture and understand everything that's going on, playing through both story routes is definitely the way to go. Each route has its own satisfying conclusion, so you can decide which one you want to tackle first.

Pro-tip: After you finish one story, you can jump into the other on New Game Plus (NG+). Your character's level and all your items will carry over, making the second playthrough smoother. And here's a neat trick: once you've cleared both stories on the same save file, you can actually switch between Yuito and Kasane during the post-game, letting you revisit any part of the story whenever you want!

Similar guides you might like

100% Human-Written. AI Fact-Checked. Community Verified. Learn how AntMag verifies content