Dual-Wield

> "*Wield both of your guns at the same time and pump your enemies full of bullets. Lasts 20s.*"
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 **Dual-Wield** is  Ao Bai's Primary Skill. Using it causes Ao Bai to draw the second weapon, wielding both of them at the same time.

The primary fire button will fire the weapon in the right hand, while the  Weapon Skill? button will fire the weapon in the left hand (This can be changed in the Settings menu if preferred). Using the reload button causes both weapon to be reloaded at the same time, if they are not already reloading.

Unlike most other skills, Dual-Wield does not deal any skill damage, instead relying on using weapons to deal damage. Unless the weapons used cause  Explosions? or have certain inscriptions that deal damage, anything that increases skill damage without also increasing weapon damage, such as  Skill Enhancement and  Spirit Bible, will have no effect.

While Dual-Wield is active, using the  Weapon Skill? of either weapon is impossible (for exceptions, see Notes), limiting the capability of certain weapons. Weapons with charge ability tied to main attack can still be used. Additionally, weapons cannot  Switch? even if they could normally.

On mobile version, if the main weapon is fully-automatic, using Dual-Wield will allow the sub weapon to become fully-automatic (including  Wild Hunt, making them able to trigger  Bloody Ammo) as well.

Dual-Wield does not work with certain weapons. Weapons that cannot be used are marked with a  symbol. These include:

* Foundry
* Star Ring
* Talisman
* Golden Bow
* Strike Wing
* Fire Tower
* Flowing Light
* Poisonous Ghost

## Frequent Use

Dual-Wield lasts for 20s, but ends immediately when switching to  Foundry or using "cancel" button. After it ends, it refreshes after a 40s cooldown.

* Efficient Casting decreases the base 40s cooldown to 30s.
* Battle-Tested can increase the duration by up to 20s (+100%) and increase it by an additional 2s for every 20 ammo consumed during Dual-Wield.
* Sharpshooter will recover cooldown based on every second of remaining duration, if Dual-Wield is canceled early (See Notes).
* Terminal Lucidity resets the cooldown after taking 20%  Health? +  Shield?/ Armor? damage in one hit.
* Magic Watch grants a 33% chance to reset the cooldown immediately on use.
* Terrific Crossfire reduces the cooldown by -1s upon using  Explosive Grenade. This can be extremely effective with  Grenade Master to reduce its long cooldown.
* Ancient Timer reduces the cooldown by -50%.
* Flowing Time reduces the cooldown by -1s (once every 2s) upon hitting an enemy.
* Energy Storage grants +1 capacity, at the cost of +30% cooldown.
* Field Proficiency decreases its cooldown by -6% for every elite enemy and boss killed, up to -60%.
* Copycat decreases the cooldown by -50% for 60 seconds after killing an Aggressive Enhanced enemy.
* Overconsumption decreases its cooldown by up to -50%.
* Weapon Genius decreases the cooldown by -50%.
* Chrono Magazine decreases the cooldown by -3s every time you reload.
* Extra Shot resets the cooldown every second time it is used.
* Vibrative Timer grants a 20% chance to reset the cooldown when killing an enemy.
* Rapid Cast decreases the cooldown by -80%.

## Offensive Use

Dual-Wield roughly doubles damage output by shooting and reloading both weapons at the same time. This also allows Ao Bai to trigger elemental effects more easily.

* Most bonuses to weapons and weapon damage will increase damage output.
* Advanced Dual-Wielding increases damage by +50% while Dual-Wielding.
* Twin Gunner increases weapon damage by up to +150%, but doubles ammo consumption initially. Level 2 halves the chance to double ammo consumption, and level 3 removes it completely.
* Lucky Ammo increases Lucky Shot Chance by up to +40%, with level 3 granting an additional +20% occasionally, for +60% total.
* Ammo Expert doubles the ammo recovery while Dual-Wielding, for up to 30 ammo every second. Additionally reduces the chance to consume ammo by up to 50%.
* Unleashed Potential increases weapon damage by +3% (up to +60%) and Lucky Shot Chance by +1% (up to +20%) for every 0.5 seconds spent firing.
* Sharpshooter increases Rate of Fire and Accuracy by +30%.
* Weapon Genius increases Lucky Shot Chance by +75%, and both weapons share the highest weapon level they have.
* One Dog Army increases weapon and skill damage by +150% when **not** Dual-Wielding.
* Perpetual Fire causes  Sustained Fire to activate when Dual-Wield is used, and also grants +30% weapon and skill damage.
* Double Powder causes the first shot after reloading to hit twice when **not** Dual-Wielding.
* Empty Reserves allows shooting from an reserves while Dual-Wielding, however ammo consumption is doubled.
* Firearm Specialist increases total weapon damage by +100%.
* Rhythm Shooter increases damage for the right-hand weapon by +50% for every shot from left-hand weapon, up to +1000%. Bonus resets when the right-hand weapon fires.

## Defensive Use

Dual-Wield has no defensive functionality by default.

* Dual Battle Soul recovers 2% max Health every second while dual-wielding.
* Survival Instinct doubles the maximum  Health? increase while Dual-Wielding. Level 3 grants a 50% chance to recover Health equal to damage taken upon being hit.
* Golden Comeback recovers Health by up to 50% and grants 1 second of immunity when taking a lethal hit while Dual-Wielding, up to 4 times. Level 3 recovers 1 charge after 4 seconds when all charges are consumed.
* Gold Medal restores  15%? on use.
* One Dog Army decreases damage taken by -20% and grants 3% Health recovery every second when **not** Dual-Wielding.
* Cardiac Pacing instantly revives all downed teammates within 25 meters upon primary skill use. (Cooldown: 15s)
* Veteran's Technique fully recovers Health when starting Dual-Wield.

## Notes

* Dual-Wield can be forcefully canceled by either pressing the Interrupt Charging key (default Middle Mouse Click) or switching to  Foundry. This will immediately start its cooldown instead of having to wait until Dual-Wield ends.
* Recoil only applies to the weapon in the main hand. The weapon in the offhand does not suffer any recoil, so using high recoil weapons such as  Wild Hunt or  Tiger Cannon in the offhand slot can help negate some downsides.
* Certain weapons can still trigger  Weapon Skill? in Dual-Wield:
	+ Holding  Wolf Gaze in both hands will make the offhand weapon automatically use the Weapon Skill while the main hand will use the primary fire.
	+ Holding 2 of either  Jet Octopus or  Dragon Breath will cause both weapons to use the same attack mode at the same time.

## Trivia

* Most weapons that cannot be used in Dual-Wield either require 2 hands to function (making holding 2 of them require 4 hands), or have large overlapping animations when used. The exception to this is  Foundry, since it is placed at "third" weapon slot while Dual-Wield only uses first and second weapons.
* In the background art, Ao Bai is holding a strange pistol in his left hand, which does not match most of the existing weapons (the closest being  Scorching Rounds). One possible reason is that this skill was first designed with a "skill weapon" only usable during the skill.