Honkai: Star Rail Aventurine Build

Straight Bet

Single Target

Deals Imaginary DMG equal to 50% of Aventurine's DEF to a single target enemy.

Cornerstone Deluxe

Defense

Provides all allies with a Fortified Wager shield that can block DMG 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.

Roulette Shark

Single Target

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

Shot Loaded Right

Bounce

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 DMG equal to 12.5% of Aventurine's DEF to a single random enemy. Blind Bet is capped at 10 points.

The Red or the Black

Defense

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).

Prisoner's Dilemma

Increases CRIT DMG 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).

Bounded Rationality

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

Droprate Maxing

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

Unexpected Hanging Paradox

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.

Ambiguity Aversion

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

Stag Hunt Game

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

Leverage

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

Hot Hand

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).

Bingo!

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 DMG equal to 7.2% of Aventurine's DEF plus 96, and additionally grants a Fortified Wager that can block DMG equal to 7.2% of Aventurine's DEF plus 96 to the ally with the lowest Shield effect, lasting for 3 turns.