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

Aventurine moves, skills and special abilities

Move & Ability Guide

Aventurine: 5-Star, Imaginary, The Preservation. Faction: Interastral Peace Corporation — Preservation.

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

Skills

1
Cornerstone Deluxe
Skill

Provides all allies with a Fortified Wager shield that can block damage equal to 16% of Aventurine's DEF plus 80 , lasting for 3 turn(s). When repeatedly gaining Fortified Wager, the Shield effect can stack, up to 200% of the Shield provided by the current Skill.

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
Roulette Shark
Ultimate

Randomly gains 1 to 7 points of Blind Bet. Then inflicts Unnerved on a single target enemy, lasting for 3 turn(s). And inflicts Imaginary damage equal to 162% of Aventurine's DEF to the single target enemy. When an ally hits an Unnerved enemy target, the CRIT damage dealt increases by 9% .

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
Shot Loaded Right
Talent

The Effect RES increases by 25% for a single ally with Fortified Wager. And when this allied character gets attacked, Aventurine gains 1 point of Blind Bet. When Aventurine has Fortified Wager, he can resist Crowd Control debuffs. This effect can trigger again after 2 turn(s). Aventurine additionally gains 1 point(s) of Blind Bet after getting attacked. Upon reaching 7 points of Blind Bet, Aventurine consumes the 7 points to launch a 7-hit follow-up attack, with each hit dealing Imaginary damage equal to 12.5% of Aventurine's DEF to a single random enemy. Blind Bet is capped at 10 points.

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
Bingo!
Bonus Trace

After an ally with Fortified Wager launches a follow-up attack, Aventurine accumulates 1 Blind Bet point. This effect can trigger up to 3 time(s). And its trigger count resets at the start of Aventurine's turn. After Aventurine launches his Talent's follow-up attack, provides all allies with a Fortified Wager that can block damage equal to 7.2% of Aventurine's DEF plus 96, and additionally grants a Fortified Wager that can block damage equal to 7.2% of Aventurine's DEF plus 96 to the ally with the lowest Shield effect, lasting for 3 turns.

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.
Hot Hand
Bonus Trace

When battle starts, grants all allies a Fortified Wager shield, whose Shield effect is equal to 100% of the one provided by the Skill, lasting for 3 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.
Leverage
Bonus Trace

For every 100 of Aventurine's DEF that exceeds 1600, increases his own CRIT Rate by 2%, up to a maximum increase of 48%.

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
Effect RES Boost
Stat Trace

Effect RES increases by 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.
DEF Boost
Stat Trace

DEF increases by 10%

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: Imaginary
Stat Trace

Imaginary 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.
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.
DEF Boost
Stat Trace

DEF increases by 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.
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: Imaginary
Stat Trace

Imaginary 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: Imaginary
Stat Trace

Imaginary 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%

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%

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 Red or the Black
Technique

After using the Technique, 1 of the following effects will be granted: There is a chance for DEF to increase by 24%. There is a high chance for DEF to increase by 36%. There is a small chance for DEF to increase by 60%. When this Technique is used repeatedly, the acquired effect with the highest buff value is retained. When the next battle starts, increases all allies' DEF by the corresponding value, lasting for 3 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
Straight Bet
Basic ATK

Inflicts Imaginary damage equal to 50% of Aventurine's DEF to a single target 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
Prisoner's Dilemma
Eidolon

Increases CRIT damage by 20% for allies with Fortified Wager. After using the Ultimate, provides all allies with a Fortified Wager shield, whose Shield effect is equal to 100% of the one provided by the Skill, lasting for 3 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.
Bounded Rationality
Eidolon

When using Basic ATK, reduces the target's All-Type RES by 12% for 3 turn(s).

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.
Droprate Maxing
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.
Unexpected Hanging Paradox
Eidolon

When triggering his Talent's follow-up attack, first increases Aventurine's DEF by 40% for 2 turn(s), and additionally increases the Hits Per Action for his talent's follow-up attack by 3.

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.
Ambiguity Aversion
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.
Stag Hunt Game
Eidolon

For every ally with a Shield, the damage dealt by Aventurine increases by 50%, up to a maximum of 150%.

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.