Zer0 - The Assassin
Skill Tree Calculator

Increases Critical Hit Damage.

Increases your Zoom with all gun types.
Additionally, your Aim is not disrupted as much when taking damage.

After getting hit, your next Melee Attack has a chance to deal massive Melee Damage.

Increases your Melee Damage and your Maximum Health.

Massively increases Melee Damage against enemies with low health.

Increases your Reload Speed and Weapon Swap Speed.

Press [action-skill] to create a holographic decoy and vanish for a few seconds.

The longer you are invisible the more damage your next attack deals, but ending invisibility sooner causes your next Decepti0n Cooldown to refresh faster.

Gun Damage: up to +200%
‍Crit Damage: up to +250%
‍Melee Damage: up to +650%
Duration: 6s
‍Cooldown: 15s

Killing an enemy gives you bonus Critical Hit Damage and Reload Speed for a few seconds.

Duration: 7s

Increases damage dealt when attacking from behind, or when attacking an enemy who is targeting someone other than you.

Shooting an enemy increases the damage of your next melee attack.
Melee attacks increase the damage of your next shot.

Killing an enemy causes your Shields to quickly regenerate and increase Action Skill Cooldown Rate for a few seconds.

Duration: 7s

Improves your Accuracy with all gun types.

While your Shield is depleted you gain increased Gun Damage and Fire Rate.

Your Melee Attacks deal additional Damage when hitting an enemy in the back.

Your shots pierce through enemies.
If your shot hits an enemy after piercing an enemy, it deals massively increased damage.‍

B0re does not work with rockets and some special projectiles.
Also, while Decepti0n is active, your visor will highlight enemy Crit locations.

Bonus Damage /hit: +100%

While Decepti0n is active and a target is under your crosshairs, press [melee] to dash forward a short distance and perform a special melee strike, dealing massive damage.

Execute Range: 3 meters

Melee attacks mark the target for death for a short duration.
Marked targets take additional damage from all sources.

Also, it's not an easy thing to live with.

Bonus Damage (marked enemy): +80%
‍Mark Duration: 8s

Killing an enemy increases your Movement Speed, Melee Damage, and Gun Damage for a few seconds.

Duration: 7s

Increases Projectile Speed, Damage, and Critical Hit Damage with all guns.

Your holographic decoy explodes when you become visible again, dealing Shock Damage to nearby enemies.

The first shot fired from a fully-loaded magazine deals increased Damage.

Each successful Ranged or Melee Attack gives you a Damage bonus for a short time.

This bonus can stack up to 5 times.
Faster weapons gain stacks more quickly, but slower weapons retain stacks for a longer period of time.

Aiming Down the Sights with your gun grants you a bonus Critical Hit Damage.
The longer you aim down the sights, the greater the bonus.

Killing an enemy with a Melee Attack restores Health.
The lower your health, the more health you receive.

While Decepti0n is active you gain increased Gun Damage and Movement Speed, as well as regenerate health.

Every time you fire a gun you have a chance to fire twice.

Greatly improves your Accuracy with Sniper Rifles when shooting from the hip.
Additionally, increases your Reload Speed and Magazine Size with Sniper Rifles.

While moving you gain an increased Melee Damage and Gun Damage.

Press [action-skill] while Decepti0n is active to throw a handful of kunai.
Each kunai will explode with a random elemental type.

Kunai do not benefit from the Decepti0n damage bonuses, but throwing kunai does not end Decepti0n and can apply Death Mark.

Decepti0n Kunai: 5

Scoring a Critical Hit with a Sniper Rifle increases your Damage and Critical Hit Damage with Sniper Rifles.

This effect can stack up to 999 times.
Stacks slowly decay if you haven't scored a critical hit in a while.

Crit Damage /stack: +6%
‍Sniper Damage /stack: +5%

Killing an enemy with a Melee Attack while Decepti0n is active causes you to deploy another holographic decoy, re-stealth, and adds time to Decepti0n's duration.
This can be done multiple times in succession.