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

Herta moves, skills and special abilities

Move & Ability Guide

Herta: 4-Star, Ice, The Erudition. Faction: Herta Space Station (Location).

24 ability entries2 Skills2 Ultimates1 Talent10 Stat Trace1 Bonus Trace1 Technique1 Basic Atk6 Eidolon

Skills

2
One-Time Offer
Skill

Inflicts Ice damage equal to 50% of Herta's ATK to all enemies. If the enemy's HP is at 50% of their maximum HP or higher, damage dealt to this target increases by 20%.

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.
Efficiency
Skill

When Skill is used, the damage Boost effect on target enemies increases by an extra 25%.

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

2
It's Magic, I Added Some Magic
Ultimate

Inflicts Ice damage equal to 120% of 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.
Icing
Ultimate

When Ultimate is used, inflicts 20% more damage to Frozen 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.

Talent

1
Fine, I'll Do It Myself
Talent

When an ally's attack causes an enemy's HP to fall to 50% of their maximum HP or lower, Herta will launch a follow-up attack, dealing Ice damage equal to 25% of 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.

Stat Trace

10
DEF Boost
Stat Trace

DEF increases by 10.0%

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.
CRIT Rate Boost
Stat Trace

CRIT Rate 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.
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.
DEF Boost
Stat Trace

DEF increases by 7.5%

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.
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.
DEF Boost
Stat Trace

DEF increases by 5.0%

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.
CRIT Rate Boost
Stat Trace

CRIT Rate increases by 2.7%

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.

Bonus Trace

1
Puppet
Bonus Trace

The chance to resist Crowd Control Debuffs increases by 35%.

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
It Can Still Be Optimized
Technique

After using her Technique, Herta's ATK increases by 40% for 3 turn(s) in the beginning of the next battle.

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
What Are You Looking At?
Basic ATK

Inflicts Ice damage equal to 50% of Herta's ATK to a single enemy.

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
Kick You When You're Down
Eidolon

If the enemy's HP is at 50% of their maximum HP or less, Herta's Basic ATK inflicts additional Ice damage equal to 40% of Herta's ATK.

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.
Keep the Ball Rolling
Eidolon

Every time Talent is triggered, this character's CRIT Rate increases by 3% . Maximum stacks: .

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.
That's the Kind of Girl I Am
Eidolon

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

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.
Hit Where It Hurts
Eidolon

When Talent is triggered, damage increases by 10%

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.
Cuss Big or Cuss Nothing
Eidolon

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

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.
No One Can Betray Me
Eidolon

After using Ultimate, this character's ATK increases by 25% for 1 turn(s).

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.