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The Herta Honkai: Star Rail fighter artwork
Honkai: Star Rail Move & Ability Guide

The Herta moves, skills and special abilities

Move & Ability Guide

The Herta: 5-Star, Ice, The Erudition. Faction: Herta Space Station (Location).

24 ability entries1 Skill1 Ultimate1 Talent3 Bonus Trace10 Stat Trace1 Technique1 Basic Atk6 Eidolon

Skills

1
Big Brain Energy
Skill

Toughness Break: 15 Inflicts Ice damage equal to 35% of The Herta's ATK to one designated enemy, and inflicts 1 stack(s) of "Interpretation." Inflicts Ice damage equal to 35% of The Herta's ATK to the targets hit by this instance of Skill and their respective adjacent targets. This effect can repeat 2 times. Hear Me Out Consumes 1 stack of "Inspiration." Inflicts Ice damage equal to 40% of The Herta's ATK to one designated enemy and inflicts 1 stack(s) of "Interpretation." Inflicts Ice damage equal to 40% of The Herta's ATK to the target hit by this instance of Skill and adjacent targets, repeating 2 times. Finally, inflicts Ice damage equal to 20% of The Herta's ATK to all enemies.

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.

Ultimates

1
Told Ya! Magic Happens
Ultimate

Rearranges the number of "Interpretation" stacks on all enemies, prioritizing the transfer of a higher number of "Interpretation" stacks to Elite-level targets and above. Then, inflicts Ice damage equal to 200% The Herta's ATK to all enemies. When using Ultimate, increases The Herta's ATK by 80% , lasting for 3 turn(s). After using the Ultimate, The Herta immediately takes action and gains 1 stack of "Inspiration." "Inspiration" can stack up to 4 time(s). While having "Inspiration," enhances Skill to "Hear Me Out."

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.

Talent

1
Hand Them Over
Talent

When enemy targets enter the battle, The Herta inflicts 1 stack of "Interpretation" on them. At the start of each wave, applies 25 stack(s) of "Interpretation" to a random enemy target, prioritizing Elite enemy targets or higher. When the Enhanced Skill's primary target has "Interpretation," the multiplier for the damage dealt increases, with each stack granting an increase of 4.0% / 2.0% on primary target/ other targets respectively. If 2 or more characters follow the Path of Erudition in the team, each stack grants an additional increases of 4.0% / 2.0% on the primary target/other targets respectively. "Interpretation" can stack up to 42 time(s). When using the Enhanced Skill, resets the number of "Interpretation" stacks on the primary target to 1.

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.

Bonus Trace

3
Starved Landscape of Vacua
Bonus Trace

For every 1 stack of "Interpretation" inflicted on enemy targets, The Herta gains 1 stack of "Answer" up to 99 stack(s). When using the Ultimate, every stack of "Answer" increases the Ultimate's damage multiplier by 1%.

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.
Message From Beyond the Veil
Bonus Trace

When entering battle, if the team has 2 or more characters following the Path of Erudition, then increases all allies' CRIT damage by 80%, calculates at least 3 targets when the Trace "Aloofly Honest" calculates hit targets, applies 1 stack(s) of "Interpretation" to the target that has the highest current "Interpretation" stacks among the hit enemy targets after attacking, and additionally applies 2 stack(s) of "Interpretation" if the attacker is a character following the Path of Erudition.

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.
Aloofly Honest
Bonus Trace

When ally targets attack, inflicts 1 stack of "Interpretation" on the hit enemy target. After attacking, for every 1 target hit by this attack, regenerates 3 fixed Energy for The Herta, counting up to a maximum of 5 targets. When using Enhanced Skill and if the primary target's "Interpretation" stack reaches 42, increases Ice damage dealt by The Herta by 50% until the end of this attack.

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.

Stat Trace

10
ATK Boost
Stat Trace

ATK Increases by 8.0%

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.
SPD Boost
Stat Trace

SPD increases by 3

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.
DMG Boost: Ice
Stat Trace

Ice damage increases by 4.8%

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.
ATK Boost
Stat Trace

ATK Increases by 6.0%

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.
DMG Boost: Ice
Stat Trace

Ice damage increases by 4.8%

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.
DMG Boost: Ice
Stat Trace

Ice damage increases by 6.4%

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.
DMG Boost: Ice
Stat Trace

Ice damage increases by 3.2%

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.
ATK Boost
Stat Trace

ATK Increases by 4.0%

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.
SPD Boost
Stat Trace

SPD increases by 2

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.
DMG Boost: Ice
Stat Trace

Ice damage increases by 3.2%

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.

Technique

1
Vibe Checker
Technique

After using Technique, The Herta's ATK increases by 60% at the start of the next battle, lasting for 2 turn(s). If there are Basic Treasures in this current map, using Technique will mark up to 3 Basic Treasures' locations. After entering battle by using Technique in Simulated Universe or Divergent Universe, inflicts True damage equal to 99% of the target's maximum HP to enemy targets lower than Elite-level, and True damage equal to 30% of the target's maximum HP to enemy targets at Elite-level and above.

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.

Basic Atk

1
Did You Get It
Basic ATK

Toughness Break: 10 Inflicts Ice damage equal to 50% of The Herta's ATK to one designated enemy target.

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.

Eidolon

6
Night at Shorefall
Eidolon

When Enhanced Skill calculates "Interpretation," additionally calculates 50% of the "Interpretation" stacks on the 1 target with the highest stacks out of the primary target and adjacent targets. When using Enhanced Skill to reset "Interpretation," reset the stack number to 15 instead.

Requirements / unlock: Eidolon 1

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.
Wind Through Keyhole
Eidolon

After The Herta enters battle and uses her Ultimate, she additionally gains 1 stack of "Inspiration." After using Enhanced Skill, The Herta's subsequent action is advanced by 35%.

Requirements / unlock: Eidolon 2

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.
Door into Summer
Eidolon

Skill Lv. +2, up to a maximum of Lv. 15. Talent Lv. +2, up to a maximum of Lv. 15.

Requirements / unlock: Eidolon 3

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.
The Sixteenth Key
Eidolon

The SPD of characters following the Path of Erudition in the team increases by 12%

Requirements / unlock: Eidolon 4

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.
Bitter Pill of Truth
Eidolon

Ultimate Lv. +2, up to a maximum of Lv. 15. Basic ATK Lv. +1, up to a maximum of Lv. 10.

Requirements / unlock: Eidolon 5

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.
Sweet Lure of Answer
Eidolon

The Herta's Ice RES PEN increases by 20%. When the number of enemy targets on the field is 3 (or more)/2/1, Ultimate's damage multiplier increases by 140%/250%/400%.

Requirements / unlock: Eidolon 6

Source details & verification
HoYoWiki mechanics reference (community-editable), reviewed October 29, 2026. This is a concise mechanics index; the source contains full conditions and level-dependent scaling. Not independently tested in-game.