🔥 Cipher Build Guide (HSR): Best Relics, Light Cones, Teams & Eidolons.

Looking to build Cipher in Honkai: Star Rail? Whether you’re chasing stylish follow-up damage or building the ultimate Quantum sub-DPS, this catgirl thief has the tools — and attitude — to steal your enemies’ health and your heart.

In this Cipher HSR build guide, you’ll learn:

• How her kit works
• Best relic sets and stats
• Optimal light cone choices
• Top teams (including Acheron comps)
• Whether her Eidolons are worth pulling

Let’s break it down.

Cipher is a Quantum sub-DPS and follow-up attacker in Honkai: Star Rail introduced in Version 3.3. Her kit focuses on stealing damage dealt by allies and unleashing it as true damage. With built-in vulnerability debuffs, stylish animations, and strong synergy with top meta characters, Cipher is more than just a flashy addition to the roster — she’s a strategic powerhouse.

✅ Talent: Patron Debuff & Damage Recording

• Marks the highest HP enemy with “Patron”
• Records damage allies deal to Patron (12–24%)
• Also records 8–16% of non-Patron damage
• Damage is stored for later use in her Ultimate

🧠 At 170 Speed, Cipher gains:

• +50% Crit Rate
• +100% recording efficiency

✅ Skill (Blast + Debuff)

• 120% base chance to apply Weaken
• -10% enemy damage dealt
• +30% ATK to Cipher for 2 turns

✅ Ultimate: True Damage Nuke

• Converts stored damage into true damage
• Hits main and adjacent enemies (scales by target count)
• Ideal for single-target boss fights or finishing cycles

✅ Technique: Preload Stored Damage

• Steals enemy “lunch money” on contact
• Starts battle with preloaded true damage

🔹 Recommended Relic Sets

🔹 Planar Ornaments

• Luka: Buffs your main DPS (great synergy)
• Inert Salsotto: For bonus follow-up damage
• Talia: Kingdom of Banditry: Speed + Quantum synergy

🔹 Best Main Stats

• Body: Crit DMG (or Crit Rate if needed)
• Feet: Speed
• Sphere: Quantum DMG
• Rope: ATK%

🔹 Substats Priority

• Speed (to reach 170+)
• Crit Rate / Crit DMG
• Effect Hit Rate (30–40% for consistency)

🔸 Acheron Quantum Comp

• Acheron, Silverwolf, Robin, Cipher
• Cipher replaces Topaz; helps enable Acheron with 40–70% vulnerability

🔸 Follow-Up Teams

• Fish, Robin, Aventurine, Cipher
• High synergy through crit buffs and follow-up scaling

🔸 Ratio Debuff Setup

• Dr. Ratio, Silverwolf, Healer, Cipher
• Great for enabling Ratio’s follow-ups with passive debuffs

❌ Avoid Cipher in true-damage-only teams. She does not record true damage.

Cipher gets a massive power spike with Eidolons, especially for meta synergy.

TL;DR: For Acheron synergy → E2 > S1 For general play → S1 > E1 (more team flexibility)

🧠 Final Thoughts: Should You Pull Cipher? Cipher isn’t just a fanservice character — she’s a well-designed, high-value sub-DPS and debuffer. If you:

• Enjoy Quantum teams,
• Use Acheron, Dr. Ratio, or Silverwolf,
• Or just want a stylish, easy-to-use character…

Then Cipher is 100% worth your pull — especially if you can reach her E2 or unlock her signature light cone.