Skip to content
Now boarding
Honkai: Star Rail Wiki

“May this trailblaze carry you far.”

Explore →

Assist Skill

Last updated 2026-07-28

An extra ability that can be granted to an ally target. Using an Assist Skill will also consume the current action turn.

Assist Skills are a type of character ability. They are an additional Skill that a character can choose to use during their turn, in addition to that character's Basic ATK and regular Skill. Characters do not normally have Assist Skills; they are granted by certain effects.

Assist Skills are counted as Skills: they activate effects that trigger when a Skill is used, and they benefit from effects that increase Skill DMG.

List of Skills

Toggle Descriptions
3 abilities match the category selection:

Character Name Description Tag
Himeko • Nova Himeko • Nova Enters the "Companion Protocol: Decimation" state. Increases all allies' CRIT DMG by 50%-110%, and additionally increases the CRIT DMG dealt by Skill by 50%-110%. For every 1 enemy target hit by allies, gains 1 Charge. When Charge reaches 9, consumes all Charge, and Himeko • Nova immediately launches 1 Assist Skill against enemies at no cost. This instance of Assist Skill cannot grant Charge. AoE
Himeko • Nova Himeko • Nova Enters the "Companion Protocol: Verdict" state. Increases DMG dealt by Himeko • Nova by 50%-110%, and additionally increases her Ultimate DMG dealt by 50%-110%. After Himeko • Nova's teammates actively use their Ultimate 2 time(s), Himeko • Nova immediately launches 1 Assist Skill against enemies at no cost. AoE
Himeko • Nova Himeko • Nova Deals Fire DMG equal to 80%-176% of Himeko • Nova's ATK to all enemies, and additionally deals 3 instances of DMG, with each instance dealing Fire DMG equal to 12%-26.4% of Himeko • Nova's ATK to one random enemy. When used by Himeko • Nova, deals Fire DMG equal to 100%-220% of Himeko • Nova's ATK to all enemies, and additionally deals 4 instances of DMG, with each instance dealing Fire DMG equal to 18%-34.8% of Himeko • Nova's ATK to one random enemy.
If the user is a Trailblaze Companions character other than Himeko • Nova, then depending on the user, Himeko • Nova additionally gains 1 of the Special Effects.
The extra Assist Skill via all Special Effects can be launched up to 2 time(s) per battle, and this count is reset after Himeko • Nova uses her Ultimate.
AoE

Light Cones

Toggle Columns:
RarityPathStatsPassives
1 Light Cone affect Assist Skills:

Icon & Name Rarity Path Stats Passive
Light Cone A Star That Lights the Night
A Star That Lights the Night
5 Stars Icon Path Erudition Medium Erudition HP: 38~846
ATK: 28~635
DEF: 24~529
First Wish
The wearer ignores 32~48% of the target's DEF when dealing DMG. When the wearer uses Assist Skill, they regenerate 6 Energy and gain "Sail," lasting for 2 turns and stacking up to 3 time(s). Each stack of "Sail" increases Assist Skill DMG by 20~40%. When "Sail" reaches 3 stacks, each stack of "Sail" increases Ultimate DMG by 20~40%.

Other Languages

LanguageOfficial Name
EnglishAssist Skill
Chinese
(Simplified)
助战技
Chinese
(Traditional)
助戰技
Japanese支援スキル
Korean전투 지원 스킬
SpanishHabilidad de apoyo
FrenchCompétence de soutien
RussianНавык поддержки
Thaiสกิลสนับสนุน
VietnameseKỹ Năng Trợ Chiến
GermanUnterstützungsfertigkeit
IndonesianSkill Dukungan
PortuguesePerícia de Assistência

Change History

Navigation