Dr. Ratio Build: Team Comps, Relic, & Light Cones | Honkai Star Rail

Dr. Ratio is a Debuff Character who has a Imaginary element in The Hunt Path in Honkai: Star Rail. Here is a guide for Dr. Ratio's Best Build, Teams, lightcones, relics, and abilities priority for him.

Dr. Ratio's Best Build

Dr. Ratio Debuffer Build Set

Here is the Build Set for Dr. Ratio if you want to use him as Debuffer in the team.

Best Light Cone

Dr. Ratio Best Light Cone: Baptism of Pure ThoughtBaptism of Pure Thought

Relics and Ornament
Dr. Ratio Best Relics: Wastelander4-PC Wastelander of Banditry
Dr. Ratio Best Planar: GlamothFirmament Frontline
Main StatsSub Stats
  • Body: CRIT Rate/DMG
  • Feet: SPD
  • Sphere: Imaginary DMG
  • Rope: ATK
  1. CRIT Rate%
  2. SPD
  3. ATK%
  4. Break

Since he is a character who focuses on utilizing the debuff effect she can benefit from Wastelander of Banditry Desert which increases his Imaginary DMG and increases both CRIT Rate or CRIT DMG when attacking debuffed enemies.

If you have more than 135/ 160 SPD, you will gain additional DMG by wearing Firmament Frontline Glamoth.

If you don't have these Light Cone or Relic, you can also use the Recommend Lightcone and Relic below.

Best Lightcone For Dr. Ratio

Here is a list of recommended lightcones that can be used with Dr. Ratio:

Dr. Ratio Best Light Cone: Baptism of Pure ThoughtBaptism of Pure ThoughtIncreases his CRIT DMG by 20%. For every debuff on the enemy target, His CRIT DMG dealt against this target increases by 8%, stacking up 3 times. When using Ultimate to attack the enemy target, he receives the Disputation effect, which increases DMG dealt by 36% and enables their follow-up attacks to ignore 24% of the target's DEF. This effect lasts for 2 turns.
Dr. Ratio Best Light Cone: Worrisome BlissfulWorrisome BlissfulIncrease his CRIT Rate by 18% and his follow-up attacks' DMG by 30%. After he uses a follow-up attack, apply the Tame state to the target, stacking up to 2 stacks. When allies hit enemy targets under the Tame state, every Tame stack increases the CRIT DMG dealt by 12%.
Dr. Ratio Best Light Cone: Cruising in the Stellar SeaCruising in the Stellar
Increases the wearer's CRIT Rate by 8%, and increases his CRIT Rate against enemies with HP less than or equal to 50% by an extra 8%. When he defeats an enemy, his ATK is increased by 20% for 2 turns.
Dr. Ratio Best Light Cone: Only Silence RemainsOnly Silence Remains

Increases his ATK by 16%. If there are 2 or fewer enemies on the field, increases his CRIT Rate by 12%.

Best Relics and Planar for Dr. Ratio

Here is a list of recommended Relic and Planar that can be used with Dr. Ratio:

Relics Set
Dr. Ratio Best Relics: Brilliant Stars4PC Brilliant Stars2PC: Increase her Quantum DMG by 10%
4PC: When she deals DMG to an enemy, ignores 10% DEF and if an enemy has Quantum Weakness, she additionally ignores 10% DEF.
Dr. Ratio Best Relics: Wastelander4PC Wastelander2PC: Increases Imaginary DMG by 10%
4PC: When attacking debuffed enemies, the wearer's CRIT Rate increases by 10%, and their CRIT DMG increases by 20% against Imprisoned enemies.
Dr. Ratio Best Relics: Ashblazing4PC Ashblazing2PC: Increases the DMG Dealt by follow-up attacks by 20%.
4PC: When she uses follow-up ATK, increases her ATK by 6% for every time follow-up ATK deal DMG. This effect can stack up to 8 times and last for 3 turns. This effect is removed the next time the wearer uses a follow-up attack.
Planar Ornament Set
Dr. Ratio Best Planar: Glamoth2PC GlamothIncrease his ATK by 12%. When the wearer's SPD is equal to or higher than 135/160, he deals 12%/18% more DMG.
Xueyi Best Planar Ornament: Inert Salsotto2PC Inert SalsottoIncrease her CRIT Rate by 8% and when her current CRIT Rate reaches 50% or higher, her Ultimate and follow-up attack DMG increase by 15%.
Dr. Ratio Best Planar: Space Sealing2PC Space SealingIncrease his ATK by 12%. When his SPD reaches 120 or higher, the wearer's ATK increases by an extra 12%.

Dr. Ratio Best Team Comps

Here is the best team that is suitable for Dr. Ratio.

Dr. Ratio | Honkai: Star RailDr. RatioTingyun | Honkai: Star RailTingyunSilverwolf | Honkai: Star RailSilverwolfFuXuan | Honkai: Star RailFu Xuan
Dr. Ratio | Honkai: Star RailDr. RatioTopaz | Honkai: Star RailTopazPela | Honkai: Star RailPelaFuXuan | Honkai: Star RailLuocha

Dr. Ratio Abilities Priority

1. TalentIncrease follow-up attack Imaginary DMG.
2. UltimateIncrease Imaginary DMG equal to his ATK
3. SkillIncrease Single Imaginary DMG.
4. Basic ATKIncrease his basic ATK DMG which can be upgraded last.

End of Dr. Ratio Build.

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