Dr. Ratio

Honkai: Star Rail Dr. Ratio Build

Imaginary Imaginary
The Hunt The Hunt

Upgrade Materials

Arrow of the Beast Hunter
Thief's Instinct
Suppressing Edict

Dr. Ratio Best Relics

1
Pioneer Diver (4pc)

Pioneer Diver of Dead Waters

Artifact Set
2 Increases DMG dealt to enemies with debuffs by 12%.
4 CRIT Rate +4%. Wearer deals 8%/12% more CRIT DMG to enemies with 2/3 debuffs.
2
Wastelander (4pc)

Wastelander of Banditry Desert

Artifact Set
2 Increases Imaginary DMG by 10%.
4 When attacking debuffed enemies, CRIT Rate +10%. If the enemy is Imprisoned, CRIT DMG +20%.
3
Pioneer Diver (2pc)
Wastelander (2pc)

Hybrid Build

Mix Set
2 Pioneer: DMG dealt to debuffed enemies +12%.
2 Wastelander: Imaginary DMG +10%.

Dr. Ratio Best Ornaments

1
Firmament Glamoth (2pc)

Firmament Frontline: Glamoth

Planar Ornament
2 Increases ATK by 12%. When SPD is 135/160 or higher, the wearer deals 12%/18% more DMG.
2
Duran Dynasty (2pc)

Duran, Dynasty of Running Wolves

Planar Ornament
2 When allies use follow-up attacks, wearer gains 1 stack. Each stack increases follow-up DMG by 5% (max 5 stacks). At 5 stacks, CRIT DMG +25%.

Dr. Ratio Best Light Cone

Baptism of Pure Thought
★★★★★

Baptism of Pure Thought

Light Cone
The Hunt
Mental Training

Increases CRIT DMG by 20%. Deals more CRIT DMG per debuff. Ultimate provides 36% DMG boost and ignores 24% DEF.

Worrisome, Blissful
★★★★★

Worrisome, Blissful

Light Cone
The Hunt
Ineffable Happiness

Increases CRIT Rate by 18% and Follow-up DMG by 30%. After follow-up attacks, applies "Tame" (up to 2 stacks), increasing CRIT DMG taken by enemies by 12% per stack.

Cruising in the Stellar Sea
★★★★★

Cruising in the Stellar Sea

Light Cone
The Hunt
Chase

Increases CRIT Rate by 8% (up to 16% vs low HP). When defeating an enemy, increases ATK by 20% for 2 turns.

Only Silence Remains
★★★★

Only Silence Remains

Light Cone
The Hunt
Record

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

In the Night
★★★★★

In the Night

Light Cone
The Hunt
Flowers and Butterflies

Increases CRIT Rate by 18%. While in battle, for every 10 SPD that exceeds 100, increases Basic ATK/Skill DMG by 6% and CRIT DMG of Ultimate by 12%.

Dr. Ratio Showcase

Dr. Ratio Eidolons

E1: Pride Comes Before a Fall

Maximum "Summation" stacks increase by 4. Gains 4 stacks at start of battle.

E2: Beyond Threshold of Knowledge

Follow-up attacks deal extra Imaginary DMG based on number of debuffs.

E3: Know Thyself

Ultimate Lv. +2, Basic ATK Lv. +1.

E4: Ignorance Is Blight

When triggering the Talent, additionally regenerates 15 Energy.

E5: Sic Itur Ad Astra

Skill Lv. +2, Talent Lv. +2.

E6: Vincit Omnia Veritas

Wiseman's Folly trigger count +1. Follow-up attack DMG +50%.