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Weapon Damage is a stat that increases Bullet Damage, Light Melee Damage, and Heavy Melee Damage.

Video explaining Weapon Damage

Weapon Damage Formula

The formula for calculating weapon damage is:

$F i n a l W e a p o n D a m a g e = (B a s e B u l l e t D m g * W e a p o n D m g % * D m g B o n u s % + F l a t W e a p o n D m g) * D m g F a l l o f f * (B u l l e t R e s i s t % - B u l l e t R e s i s t R e d u c t i o n %) * I n c r e a s e d B u l l e t D m g % * C r i t M u l t i p l i e r$

Base Bullet Damage

The Amount of damage your Hero will do while having no items. This is different for each hero and it increases based on your level. All heroes gain levels at the same soul milestones.

The formula for Base Bullet Damage is:

$B a s e B u l l e t D a m a g e = \sum_{k = 1}^{15} (p_{i})$

$\begin{matrix} p_{i} & = The damage acquired through each power increase \\ 15 & = Number of total power increases \\ i & = the index of the power increase \end{matrix}$

Grey Talon is an exception to the rule, additionally increasing his Base Bullet Damage based on his Spirit Power acquired through items.

Weapon Damage

The percentage of damage acquired through items and golden statues

The formula for weapon damage is:

$x_{f} = x_{i} * (1 + \sum_{i = 1}^{n} Shop Bonus + \sum_{i = 1}^{n} Golden Statues)$

where:

$\begin{matrix} x_{f} & = final weapon damage, \\ x_{i} & = initial weapon damage, \\ S h o p B o n u s & = Increase based on the tier, \\ G o l d e n S t a t u e s & = Golden Statue value \end{matrix}$

Golden Statues can provide a permanent increase: +3% before 10 minutes, +4% before 30 minutes and +7% after 30 minutes.

All weapon items provide an increase in Weapon Damage based on the player's total investment in the category.

Souls	Weapon Damage Increases
800	+7%
1,600	+9%
2,400	+13%
3,200	+20%
4,800	+29%
7,200	+40%
9,600	+60%
16,000	+75%
22,400	+95%
28,800	+115%

The following items grant increased weapon damage:

This is a dynamic list "Weapon Damage". Edit contents.


Name	Cost	Category	Stat change
Close Quarters	800	Weapon	+20% Weapon Damage
Extended Magazine	800	Weapon	+8% Weapon Damage
High-Velocity Rounds	800	Weapon	+8% Weapon Damage
Restorative Shot	800	Weapon	+6% Weapon Damage
Fleetfoot	1,600	Weapon	+6% Weapon Damage
Long Range	1,600	Weapon	+40% Weapon Damage
Opening Rounds	1,600	Weapon	+8% Weapon Damage
Recharging Rush	1,600	Weapon	+10% Weapon Damage
Titanic Magazine	1,600	Weapon	+14% Weapon Damage
Cultist Sacrifice	3,200	Weapon	+10% Weapon Damage
Escalating Resilience	3,200	Weapon	+18% Weapon Damage
Express Shot	3,200	Weapon	+8% Weapon Damage
Headhunter	3,200	Weapon	+5% Weapon Damage
Hollow Point	3,200	Weapon	+35% Weapon Damage
Point Blank	3,200	Weapon	+50% Weapon Damage
Sharpshooter	3,200	Weapon	+10% Weapon Damage
Sharpshooter	3,200	Weapon	+60% Weapon Damage
Weighted Shots	3,200	Weapon	+30% Weapon Damage
Armor Piercing Rounds	6,400	Weapon	+8% Weapon Damage
Glass Cannon	6,400	Weapon	+80% Weapon Damage
Battle Vest	1,600	Vitality	+18% Weapon Damage
Bullet Lifesteal	1,600	Vitality	+6% Weapon Damage
Fury Trance	3,200	Vitality	+6% Weapon Damage
Colossus	6,400	Vitality	+15% Weapon Damage
Inhibitor	6,400	Vitality	+10% Weapon Damage
Leech	6,400	Vitality	+12% Weapon Damage
Phantom Strike	6,400	Vitality	+15% Weapon Damage
Siphon Bullets	6,400	Vitality	+15% Weapon Damage
Vampiric Burst	6,400	Vitality	+6% Weapon Damage
Bullet Resist Shredder	1,600	Spirit	+9% Weapon Damage
Unstable Concoction	Legendary	Spirit	+150% Weapon Damage

Headshot Booster deals +50 bonus Weapon Damage with headshots.
Monster Rounds increases Weapon Damage against NPCs by +25%.
Berserker increases Weapon Damage by +7% per stack for sustaining damage, where taking 120 damage grants 1 stack, up to 10.
Headhunter additionally deals +75 x3 (+171 at 32 Boons) bonus Weapon Damage with headshots.
Intensifying Magazine additionally increases Weapon Damage to a maximum of 45% after continuously firing for 3 seconds.
Opening Rounds additionally increases Weapon Damage by +40% against enemies above 50% health.

Flat Weapon Damage

An extra amount of damage obtained through the use of second abilities on particular heroes.

Flat Weapon Damage is not affected by Weapon Damage, it's an additive damage source and it's not multiplied with the total multiplication that comes from Base Bullet Damage, Weapon Damage and Damage Bonus, but added in top of it.

However, it is later multiplied by Damage Falloff, Bullet Resist, Bullet Damage and Crit Multipliers

Some sources of Flat Weapon Damage are:

Hero	Ability	0	2	5
Abrams	Shoulder Charge			+5.5 Weapon Damage for 8s after colliding with an enemy
Grey Talon	Rain of Arrows	+4 Weapon Damage	While airborne, +5 Weapon Damage and weapon damage applies 40% movement slow for 1.5s
Lash	Grapple		+20m Cast Range and gain +6 Weapon Damage for 10s (Able to stack)
Pocket	Flying Cloak			+7 Weapon Damage for 10s after teleporting with Flying Cloak.
Yamato	Flying Strike			Can Grapple to ally Heroes and +6 Weapon Damage for 10s

Damage Falloff

The amount of weapon damage reduction a hero experiences in relation to their distance from a target entity. The greater the distance between the attacker and their target, the less weapon damage they are able to do.

All heroes have a Falloff Range, comprised of two distances that mark the start and end, in which their weapon damage is linearly reduced.

Damage Falloff makes Weapon Damage drop from 100% ( $D i s t a n c e < F a l l o f f R a n g e S t a r t$ ) to 10% ( $D i s t a n c e > F a l l o f f R a n g e E n d$ ) for all heroes, the only difference between heroes being their respective Weapon Falloff Ranges.

When aiming at an enemy hero, the percentage of inflicted Weapon Damage can be approximated by the player through a dot located at the left side of the enemies health bar that gradually turns from yellow to red.

*Dot colors and their approximate Weapon Damage percentage ranges.^[1]*
Dot Color	Damage Percentage
Red	10% - 20%
Orange	20% - 35%
Yellow	35% - 75%
Transparent	75% - 100%

Falloff Range can be increased by buying Sharpshooter, a Tier 3 Weapon Item.

Bebop is able to increase his Falloff Range by upgrading his first skill:


Hero	Ability	0	1	2	5
Bebop	Exploding Uppercut			On Uppercut enemy Hero, gain fast spin-up time, 2x range, and +60% weapon damage for 12s

However, Exploding Uppercut bonus Falloff Range can't be stacked with Sharpshooter.

Damage Falloff affects all types of damage listed so far, these being:

Base Bullet Damage
Weapon Damage
Damage Bonus
Flat Weapon Damage

Damage Falloff does not affect the Weapon Damage done by Hollidays third ability Crackshot.

Bullet Resistance and Reduction

Main article: Damage Resistance

Bullet Resist is a defensive stat that reduces incoming bullet damage. It is countered by Bullet Resist Reduction, an offensive stat that lowers the target's resistance, making them take more damage.

The final damage modification is determined by subtracting the attacker's total Bullet Resist Reduction from the target's total Bullet Resist.

Stacking Calculation

While items may show additive numbers (e.g., +15%), multiple sources of the same stat do not add together. Instead, both Bullet Resist and Bullet Resist Reduction are calculated independently using a multiplicative formula that provides diminishing returns.

The formula to find the total for each stat is: $T o t a l = 1 - \prod_{i = 1}^{n} (1 - p_{i})$

Where $p_{i}$ is each percentage source of the stat as a decimal.

For example, a player is attacked while having two sources of Bullet Resist:

Colossus: 40%
Battle Vest: 15%

And the attacker has one source of Bullet Resist Reduction:

Crippling Headshot: -24%

First, calculate the player's total Bullet Resist: $1 - ((1 - 0.40) * (1 - 0.15)) = 1 - (0.6 * 0.85) = 1 - 0.51 = 0.49 \to 49 %$

The attacker's total Bullet Resist Reduction is simply 24%, as there is only one source.

Finally, subtract the reduction from the resistance to find the result: $49 % - 24 % = 25 %$

The target has a final effective Bullet Resist of 25% against this attack.

Final Damage Taken

The final resistance value modifies the total damage taken.

A positive value reduces damage. A 25% final resist means the target takes 75% of the incoming damage.
A negative value increases damage. A -25% final resist means the target takes 125% of the incoming damage.

Increased Bullet Damage

A personal debuff you inflict on enemies. It multiplies the amount of damage they take from you but not your allies.

Increased Bullet damage is not the same thing as Weapon Damage, as increased Bullet Damage takes into account your Flat Weapon Damage.

There are only four known instances of Increased Bullet Damage, all coming from heroe's abilities:

Hero	Ability	1	2	5
Bebop	Grapple Arm	Bebop deals 30% more weapon damage against hooked enemies for 10s
Dynamo	Kinetic Pulse		Dynamo deals 30% more Weapon Damage to hit enemies for 8s
Grey Talon	Spirit Snare			Grey Talon deals +30% more Bullet Damage to enemies hit by Spirit Snare for 10s
Warden	Binding Word			Warden deals +20% more Bullet Damage to trapped Heroes for 6s

Crit Multiplier

Formula

$C r i t M u l t i p l i e r = H e a d s h o t * C r i t B o n u s S c a l e * C r i t R e s i s t$

Headshots

Aiming for the head will deal increased damage. Troopers, Guardians, and Heroes have a weakpoint hitbox that receives approximately double base bullet damage when hit by a weapon.

Several items have effects that proc on headshots, such as Headshot Booster, Headhunter, and Crippling Headshot.

Crit Bonus Scale

Crit Bonus Scale is a stat that increases or decreases critical damage dealt by the player.

Kelvin's weapon has -20% Crit Bonus Scale.
Vyper's weapon has -30% Crit Bonus Scale.

Crit Resist

Seven receives reduced incoming headshot damage, as do Mo & Krill, who have a separate hitbox for each of Mo and Krill's heads.

Spreadshots

Spreadshots are a property of certain weapons that allow them to shoot multiple bullets at once, such as shotguns and shurikens.

In these particular cases, all the previous instances of damage apply to every single bullet.

There are currently 6 weapons capable of doing Spreadshots in game

Hero	Weapon	Bullets per shot	Pattern
Abrams	Case Closed	9	Semi-Fixed
Calico	Sweetest Lie	8	Fixed
Mo & Krill	Yellow Canary	4	Semi-Fixed
Shiv	Busted Flush	6 (Primary) 12 (Alternate)	Random
Yamato	Sister's Lament	5	Semi-Fixed
Pocket	The Black Sheep	7	Fixed

References

↑ "Weapon Damage Explained" by Yapistism 7:21

[Weapon_Damage_Explained_by_Yapistism-1] "Weapon Damage Explained" by Yapistism 7:21

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