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

Sunday moves, skills and special abilities

Move & Ability Guide

Sunday: 5-Star, Imaginary, The Harmony. Faction: Astral Express.

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

Skills

2
Haven in Palm
Skill

When using Skill, dispels 1 debuff(s) from the 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.
Benison of Paper and Rites
Skill

Enables one designated ally character and their summon to immediately take action, and increases their damage dealt by 15% . If the target has a summon, then the dealt damage increase is further boosted by an additional 25% , lasting for 2 turn(s). After using Skill on The Beatified, recovers 1 Skill Point. When Sunday uses this ability on characters following the Path of Harmony, cannot trigger the "immediate action" effect.

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
Ode to Caress and Cicatrix
Ultimate

Regenerates Energy by 20.0% of Max Energy for one designated ally character, and turns the target and their summon into "The Beatified." "The Beatified" have their CRIT damage increased by an amount equal to 12% of Sunday's CRIT damage plus 8% . At the start of Sunday's each turn, the duration of "The Beatified" decreases by 1 turn, lasting for a total of 3 turn(s). And it only takes effect on the most recent target of the Ultimate (excluding Sunday himself). When Sunday is knocked down, "The Beatified" will also be dispelled.

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.
Rest Day's Longing
Ultimate

When using Ultimate, if the Energy regenerated for the target is less than 40, increases the regenerated Energy to 40.

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
The Sorrowing Body
Talent

When using Skill, increases the target's CRIT Rate by 10% , lasting for 2 turn(s).

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 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.
CRIT DMG Boost
Stat Trace

CRIT damage increases by 10.7%

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.
Effect RES Boost
Stat Trace

Effect RES 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.
CRIT DMG Boost
Stat Trace

CRIT damage 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.
Effect RES Boost
Stat Trace

Effect RES 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.
CRIT DMG Boost
Stat Trace

CRIT damage increases by 5.3%

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.
CRIT DMG Boost
Stat Trace

CRIT damage 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.
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.
Effect RES Boost
Stat Trace

Effect RES 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.
CRIT DMG Boost
Stat Trace

CRIT damage increases by 5.3%

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.

Bonus Trace

1
Exalted Sweep
Bonus Trace

When battle starts, Sunday regenerates 25 Energy.

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
The Glorious Mysteries
Technique

After this Technique is used, the first time Sunday uses an ability on an ally target in the next battle, the target's damage dealt increases by 50%, lasting for 2 turn(s).

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
Gleaming Admonition
Basic ATK

Inflicts Imaginary damage equal to 50% of Sunday's ATK to one designated 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
Millennium's Quietus
Eidolon

When Sunday uses Skill, the target character can ignore 16% of enemy target's DEF to deal damage and their summon can ignore 40% of enemy target's DEF to deal damage, lasting for 2 turn(s).

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.
Faith Outstrips Frailty
Eidolon

After the first use of Ultimate, recovers 2 Skill Point(s). The damage dealt by "The Beatified" increases by 30%.

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.
Hermitage of Thorns
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 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.
Sculpture's Preamble
Eidolon

When the turn starts, regenerates 8 Energy.

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.
Paper Raft in Silver Bay
Eidolon

Skill 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.
Dawn of Sidereal Cacophony
Eidolon

The Talent's CRIT Rate boost effect becomes stackable up to 3 time(s), and the Talent's duration increases by 1 turn(s). When Sunday uses Ultimate, can also apply the Talent's CRIT Rate boost effect to the target. When the Talent's CRIT Rate boost takes effect and the target's CRIT Rate exceeds 100%, every 1% of excess CRIT Rate increases CRIT damage by 2%.

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.