FL4K - Skills Tree & Guide | Borderlands 3

Learn all you need to know about FL4K the Beastmaster's skill tree in Borderlands 3! Featuring all Action Skills, Augments, notable Skills from each tree, all skills list, and more!!!

More About Vault Hunters Skill & Traits

Amara		Zane
Skill Tree	Builds	Skill Tree	Builds
Moze		FL4K
Skill Tree	Builds	Skill Tree	Builds

FL4K - Beastmaster Character Class Overview

FL4K is no ordinary machine; they are a wandering Robot with a band of loyal pets by their side. These pets are capable of feats no ordinary human can do including opening rifts and going invisible at will.

Joined by a Pet at All Times

FL4K can summon a pet as a companion in battle at any time. They can choose from a melee-based Skag, a Jabber with a gun, or a support Spiderant.

Greatly Buffs Critical Damage

With more emphasis on critical damage than other Vault Hunters, FL4K makes for an effective Sniper. Although this requires for more careful shots.

Stalker - Skill Tree & Action Skills

Notable Skills in Stalker Tree

Eager to Impress

Whenever FL4K kills an enemy, it will shorten their Action Skill cooldown. It gets shortened even more if their Pet is the one to kill an enemy.

Lick the Wounds

If FL4K enters fight for your life mode, their pet will come to try and revive them. This is especially handy when you go int FFYL with no more enemies around.

Rage and Recover

Whenever FL4K kills an enemy, they & their pet will regenerate health for a brief period. The more skill points added, the longer the duration will be.

Fade Away

Fade Away	FL4K cloaks, turning invisible. FL4K can fire 3 shots while cloaked, and each shot it automatically a critical hit While cloaked, FL4K has increased Movement Speed and Health Regeneration. Fade Away Critical Hit Damage: +200% Cloaked Movement Speed: +25% Health Regeneration: +3% of Max Health/sec Cooldown: 45 seconds Skill Duration: 15 seconds

Use with High Damage Weapons

Take advantage of the 200% critical damage by using it with a weapon with either high damage or high critical multiplier. Jakobs weapons are especially great for this.

Hunter - Skill Tree & Action Skills

Notable Skills in Hunter Tree

Interplanetary Stalker

Upon killing an enemy, FL4K will get a stack of Interplanetary Stalker. Each stack provides a bonus for all damage dealt by FL4K.

Head Count

The more Critical Shots you score, the shorter the Skill Cooldown will be thanks to the Head Count Skill. Highly accurate weapons are a must for this.

Megavore

This Skill will give a chance for FL4K to deal critical damage against any part of an enemy. Using a weapon with a high fire rate allows you to take full advantage of this.

Rakk Attack

Rakk Attack	FL4K sends forward 2 Rakk to dive-bomb enemies. This skill has multiple charges. Cooldown: 18 seconds Damage: 35 seconds

Use Against Enemies Behind Cover

Unable to take down enemies behind cover? Using the Rakk Attack will allow FL4K to damage or even finish off enemies hiding behind cover.

Master - Skill Tree & Action Skills

Notable Skills in Master Tree

Go for the Eyes!

Go for the Eyes will cause the first melee attack of any of FL4K's pets to be a critical hit. You can make the best of this with their Skag pet which only does melee attacks.

Who Rescued Who?

This skill will allow continuous regeneration between FL4K and their active pet. Whenever one of them damages an enemy, the other one will regenerate health.

Frenzy

Every time one of FL4K's pets deals damage, it will gain a stack of Frenzy. Each Frenzy will increase their damage. This can increase to up to 5 stacks.

Gamma Burst

Gamma Burst

FL4k creates a Rift at a target location, teleporting their pet through the Rift and dealing Radiation Damage to nearby enemies. Additionally, FL4K's pet becomes irradiated growing in size and dealing bonus Radiation Damage when it attacks. Using Gamme Burst while FL4K's pet is downed or dead will revive the pet at the targeted location with 30% of its health, but will double Action Skill Cooldown Time. Skill Duration: 20 seconds Cooldown: 30 seconds Damage: 56

Increase Radiation Damage

Prioritize artifacts that increase Radiation Damage when using this as your Action Skill. This will ensure that maximum radiation damage will be done to enemies when you activate it.

FL4K - All Skills List

All Stalker Tree Skills & Effect

Jabber Sidekick

Jabber Sidekick	Skill Type: Pet (Must be equipped to use) Effect: Movement Speed: +5.0%

FL4K is joined by a loyal Jabber companion, armed with a Pistol. While accompanied by the Jabber, FL4K’s Movement Speed is increased.

Hold F to issue an Attack Command, which will cause the Jabber to throw a Radiation Barrel at enemies.

Fade Away

Fade Away	Skill Type: Action Skill (Must be equipped to use) Effect: Fade Away Critical Hit Damage: +200% Cloaked Movement Speed: +25% Health Regeneration: +3% of Max Health/sec Cooldown: 45 seconds Skill Duration: 15 seconds

FL4K cloaks, turning invisible. FL4K can fire 3 shots while cloaked, and each shot is automatically a Critical Hit.

While cloaked, FL4K has increased Movement Speed and Health Regeneration.

Self-Repairing System

Self-Repairing System	Skill Type: Passive Ability (Max Lv.5) Effect: Health Regeneration: +6% / +12% / +18% / +24% / +30% Reload Speed: 0.3%/ 0.6% / 0.9% / 1.2% / 1.5% of Max Health/sec

FL4K’s Maximum Health is increased, and they constantly regenerate health.

Sic'Em

Sic'Em	Skill Type: Passive Ability (Max Lv.3) Effect: Attack Command Damage: +10% / +20% / +30% Attack Command Cooldown: -10% / -20% / -30%

Attack Command has lowered Cooldown and increased Damage.

Furious Attack

Furious Attack	Skill Type: Passive Ability (Max Lv.5) Effect: Handling: +1.0% / +2.0% / +2.9% / +3.8% / +4.8% per stack Reload Speed: +0.4% / +0.8% / +1.2% / +1.6% / +2.0% per stack Furious Attack Stacks: 10 Furious Attack Duration: 4 seconds

Hunter Skill. After shooting an enemy, FL4K gains a stack of Furious Attack.

For each stack of Furious Attack, FL4K’s Handling and Gun Damage are increased. Stacks decay after a few seconds.

Guerrillas In The Mist

Guerrillas In The Mist	Skill Type: Action Skill Augment (Fade Away Must be equipped to use) Effect: Duration: 8 seconds Critical Hit Damage: 50%

Fade Away no longer ends after FL4K attacks, at the cost of Critical Hit Damage and Fade Away duration being reduced.

Eager To Impress

Eager To Impress	Skill Type: Passive Ability (Max Lv.5) Effect: Pet Kill Cooldown Time: -0.5 / -1.0 / -1.5 / -2.0 / -2.5 seconds FL4K Kill Cooldown Time: -0.25 / -0.50 / -0.75 / -1.0 / -1.25 seconds

Kill Skill. Whenever FL4K kills an enemy, Action Skill Cooldown Time is reduced.

Whenever FL4K's pet kills an enemy, Action Skill Cooldown Time is reduced even more and Attack Command's cooldown is refreshed.

All My Bffs

All My Bffs	Skill Type: Passive Ability (Max Lv.3) Effect: Allies Share 17% / 33% / 50% of FL4K's Health Regeneration.

Allies share a portion of FL4K’s total Health Regeneration. FL4K’s pet shares twice the amount of Health Regeneration.

Overclocked

Overclocked	Skill Type: Passive Ability (Max Lv.5) Effect: Fire Rate after Reloading: +2% / +4% / +6% / +8% / +10% Fire Rate: +2% / +4% / +6% / +8% / +10% Overclocked Duration: 4 seconds

FL4K gains increased Fire Rate. FL4K gains even more Fire Rate after reloading.

Not My Circus

Not My Circus	Skill Type: Action Skill Augment (Fade Away Must be equipped to use) Effect: Pet Taunt Duration: 6 seconds Pet Damage Reduction: +80%

After Fade Away ends, FL4K’s pet will Taunt, drawing the attention of all enemies in a huge radius.

For a few seconds after Taunting, the pet gains powerful Damage Reduction.

Lick The Wounds

Lick The Wounds	Skill Type: Passive Ability (Max Lv.1) Effect: When FL4K is in Fight For Your Life, their pet will attempt to revive them.

Play dead.

Turn Tail And Run

Turn Tail And Run	Skill Type: Passive Ability (Max Lv.3) Effect: Damage Reduction While Moving: +6.5% / +12.3% / +17.4% Health Regeneration While Moving: 0.3% / 0.6% / 0.9% of Max Health/sec Gun Damage While Still: +8.3% / +16.7% / +25.0% Fire Rate While Still: +4.0% / +8.0% / +12.0%

While moving, FL4K constantly regenerates health and gains Damage Reduction.

While still, FL4K gains Gun Damage and Fire Rate.

Beefcake Jabber

Beefcake Jabber	Skill Type: Pet (Must be equipped to use) Effect: Movement Speed: +5.0% Max Health: +10.0%

FL4K’s Jabber evolves into a Beefcake, discarding its pistol and equipping a Shotgun. While accompanied by the Beefcake, FL4K gains increased Movement Speed and Maximum Health.

When FL4K issues an Attack Command, the Beefcake will summon a melee weapon to deliver a powerful attack that knocks enemies back.

Until You Are Dead

Until You Are Dead	Skill Type: Action Skill Augment (Fade Away Must be equipped to use) Effect: Post Cloak Duration: 10 seconds

The Health Regeneration and Movement Speed of Fade Away persists for a short time after the skill has ended.

Fast And Furryous

Fast And Furryous	Skill Type: Passive Ability (Max Lv.3) Effect: Gun Damage: +8% / +17% / +25% Movement Speed: +3.3% / +6.7% / +10.0%

While above half health, FL4K's Gun Damage and Movement Speed are increased.

Hidden Machine

Hidden Machine	Skill Type: Passive Ability (Max Lv.5) Effect: Damage: +6% / +12% / +18% / +24% / +30%

When an enemy has no target or is attacking a different target, FL4K deals increased damage against them.

Gunslinger Jabber

Gunslinger Jabber	Skill Type: Pet (Must be equipped to use) Effect: Movement Speed: +5.0% Critical Hit Damage:+5.0%

FL4K’s Jabber upgrades his gear and equips an SMG. While accompanied by the Gunslinger, FL4K gains increased Movement Speed and Critical Hit Damage.

When FL4K issues an Attack Command, the Gunslinger equips a Rocket Launcher to attack the target.

Unblinking Eye

Unblinking Eye	Skill Type: Action Skill (Fade Away Must be equipped to use) Effect: Critical Hit Damage: +75% per hit

Successive hits on the same target increase FL4K's Critical Damage per hit. Unblinking Eye resets every 3 hits.

Rage And Recover

Rage And Recover	Skill Type: Passive Ability (Max Lv.5) Effect: Health Regeneration: +1.6% / +3.2% / +4.8% / +6.4% / +8.0% of Missing Health/sec Rage and Recover Duration: 3 seconds

Kill Skill. After killing an enemy, FL4K and FL4K’s pet regenerate health for a few seconds.

The Power Inside

	Skill Type: Passive Ability (Max Lv.1) Effect: Damage: +25% The Power Inside Duration: 15 seconds

FL4K and FL4K’s pet gain increased Damage when FL4K activates an Action Skill.

If FL4K is at full health, the increased Damage is doubled.

All Hunter Tree Skills & Effect

Spiderant Centurion

Spiderant Centurion	Skill Type: Pet (Must be equipped to use) Effect: Health Regeneration: +1.0% of Max Health/sec

FL4K is joined by a loyal Spiderant companion, which will cause FL4K to constantly regenerate health.

Hold F to issue an Attack Command, which will cause the regenerate health to charge into enemies.

Rakk Attack!

Rakk Attack!	Skill Type: Action Skill (Must be equipped to use) Effect: Cooldown: 18 seconds Damage: 35

FL4K sends forward 2 Rakk to dive-bomb enemies.

This skill has multiple charges.

Interplanetary Stalker

Interplanetary Stalker	Skill Type: Passive Ability (Max Lv.5) Effect: Damage: +2% / +4% / +6% / +8% / +10% / stack Human Bonus: +3% / +6% / +9% / +12% / +15% Action Skill Damage /stack Robot Bonus: +1.5% / +3.0% / +4.5% / +6.0% / +7.5% Corrosive Damage /stack Beast Bonus: +2% / +3% / +5% / +6% / +7% Movement Speed /stack

Hunter Kill Skill. Whenever FL4K kills an enemy, they gain a stack of Interplanetary Stalker. For each stack of Interplanetary Stalker, they gain a bonus to all damage dealt.

Additionally, they gain a unique stacking bonus depending on the type of enemy killed. Each unique bonus can stack up to 3 times. Each stack decays after a short time.

Leave No Trace

Leave No Trace	Skill Type: Passive Ability (Max Lv.3) Effect: Chance to add ammo: +12% / +24% / +36%

When FL4K scores a Critical Hit, there is a chance for 1 ammo to be added to their magazine.

Second Intention

Second Intention	Skill Type: Passive Ability (Max Lv.5) Effect: Reload Speed: +3% / +6% / +8% / +11% / +13% Critical Kill Reload Speed: +6% / +11% / +15% / +19% / +23% Critical Kill Reload Duration: 5 seconds

Hunter Kill Skill. Whenever FL4K kills an enemy, they gain increased Reload Speed.

This bonus is increased if FL4K scores a Critical Kill.

Rakk Open A Cold One

Rakk Open A Cold One	Skill Type: Action Skill Augment (Rakk Attack! Must be equipped to use) Effect: Deals Cryo Elemental Damage

Converts FL4K’s Rakk to Cryo damage.

Hunters Eye

Hunters Eye	Skill Type: Passive Ability (Max Lv.5) Effect: Critical Hit Damage: +3% / +6% / +9% / +12% / +15% vs. Humans Armor Damage: +6% / +12% / +18% / +24% / +30% vs. Robots Damage Reduction: +5.3% / +10.1%/ +14.4% / +18.3% / +21.9% vs. Beasts

FL4K gains bonuses when fighting different types of enemies.

Head Count

Head Count	Skill Type: Passive Ability (Max Lv.3) Effect: Cooldown Time Reduction Chance: +10% / +20% / +30% Cooldown Time: -2s

Whenever FL4K scores a Critical Hit, there is a chance their Action Skill Cooldown is reduced.

Ambush Predator

Ambush Predator	Skill Type: Passive Ability (Max Lv.5) Effect: Critical Hit Damage: +4% / +8% / +12% / +16% / +20% Handling: +17% / +29% / +38% / +44% / +50%

While there are no enemies nearby, FL4K’s Weapon Handling and Critical Hit Damage are increased.

Falconer's Feast

Falconer's Feast	Skill Type: Action Skill Augment (Rakk Attack! Must be equipped to use) Effect: Health Returned: 7% of Max Health

When FL4K’s Rakk damage an enemy, a portion of FL4K’s health is restoredrestored.

Two Fangs

Two Fangs	Skill Type: Passive Ability (Max Lv.5) Effect: Extra Projectile Chance: +5% / +10% / +15% / +20% / +25%

FL4K has a chance to fire an extra projectile per shot.

Spiderant Scorcher

Spiderant Scorcher	Skill Type: Pet (Must be equipped to use) Effect: Health Regeneration: +1.0% of Max Health/sec Elemental Damage: +10.0%

FL4K's Spiderant evolves into a Scorcher, occasionally dealing Incendiary Damage to all enemies nearby. While accompanied by the Scorcher, FL4K constantly regenerates health and gains Elemental Resistance.

When FL4K issues an Attack Command, the Scorcher will charge enemies.

Flock 'n Load

Flock 'n Load	Skill Type: Action Skill Augment (Rakk Attack! Must be equipped to use) Effect: Additional Rakk: +2

FL4K sends forward additional Rakk.

Big Game

Big Game	Skill Type: Passive Ability (Max Lv.3) Effect: Hunter Skill Effects: +10% / +20% / +30% Hunter Skill Duration: +33% / +67% / +100% Max Duration: 8 seconds

FL4K’s Hunter Skills become much more effective and have a longer duration.

The Most Dangerous Game

The Most Dangerous Game	Skill Type: Passive Ability (Max Lv.3) Effect: Gun Damage: +8% / +17% / +25% Critical Hit Damage: +3.3% / +6.7% / +10.0% Handling: +14.3% / +25.0% / +33.3% Duration: 120 seconds

Hunter Kill Skill. Whenever FL4K kills a Badass or stronger enemy, they gain increased Critical Hit Damage, Gun Damage, and Handling for a long time.

Additionally, they receive a cash reward from the Intergalactic Bureau of Bounty Hunting.

Spiderant Countess

Spiderant Countess	Skill Type: Pet (Must be equipped to use) Effect: Health Regeneration: +1.0% of Max Health/sec Damage Reduction: +5.0%

FL4K's Spiderant evolves into a Countess, which will cause FL4K to constantly regenerate health and gain Damage Reduction.

When FL4K issues an Attack Command, the Countess will burrow underground and then emerge dealing Corrosive Damage in an area.

Rakkcelerate

Rakkcelerate	Skill Type: Action Skill Augment (Rakk Attack! Must be equipped to use) Effect: Cooldown Rate: +20% Skill Charges: +1

FL4K’s Rakk have increased Cooldown Rate, and gain an Additional Charge.

Galactic Shadow

Galactic Shadow	Skill Type: Passive Ability (Max Lv.1) Effect: Critical Hit Damage: +15%

FL4K deals increased Critical Hit Damage, and enemies are less likely to attack them.

Grim Harvest

Grim Harvest	Skill Type: Passive Ability (Max Lv.5) Effect: Gun Damage: +3% / +6% / +9% / +12% / +15% Action Skill Damage: +5% / +10% / +15% / +20% / +25%

FL4K gains increased Gun Damage and Action Skill Damage.

Megavore

Megavore	Skill Type: Passive Ability (Max Lv.1) Effect: Critical Hit Chance: +20

FL4K gains a chance to score a Critical Hit with weapons against any part of enemies.

All Master Tree Skills & Effect

Guard Skag

Guard Skag	Skill Type: Pet (Must be equipped to use) Effect: Damage: +5.0%

FL4K is joined by a loyal Skag companion, which will increase FL4K's Damage.

Hold F to issue an Attack Command, which will cause the Skag to vomit acid onto enemies.

Gamma Burst

Gamma Burst	Skill Type: Action Skill (Must be equipped to use) Effect: Skill Duration: 20 seconds Cooldown: 30 seconds Damage: 56

FL4K creates a Rift at a target location, teleporting their pet through the Rift and dealing Radiation Damage to nearby enemies.

Additionally, FL4K’s pet becomes irradiated, growing in size and dealing bonus Radiation Damage when it attacks.

Using Gamma Burst while FL4K’s Pet is downed or dead will revive the pet at the targeted location with 30% of its health, but will double Action Skill Cooldown Time.

Ferocity

Ferocity	Skill Type: Passive Ability (Max Lv.5) Effect: Pet Damage: +10% / +20% / +30% / +40% / +50%

FL4K's Pet deals increased damage.

Persistence Hunter

Persistence Hunter	Skill Type: Passive Ability (Max Lv.3) Effect: Gun Damage: +4.0%% / +8.0% / +12.0% Action Skill Duration: +15% / +30% / +45%

Increases FL4K’s Gun Damage and Action Skill Duration.

Go For The Eyes!

Go For The Eyes!	Skill Type: Passive Ability (Max Lv.5) Effect: Pet Critical Hit Damage: +15% / +30% / +45% / +60% / +75%

When FL4K’s Pet attacks an enemy, the first melee attack is an automatic Critical Hit that deals increased damage.

Atomic Aroma

Atomic Aroma	Skill Type: Action Skill Augment (Gamma Burst Must be equipped to use) Effect: Radiation Damage: 4 per second

While Gamma Burst is active, FL4K’s pet is surrounded by a Radiation Aura, constantly damaging all nearby enemies.

Who Rescued Who?

Who Rescued Who?	Skill Type: Passive Ability (Max Lv.5) Effect: Health Regeneration: +0.4% / +0.8% / +1.2% / +1.6% / +2.0%

Whenever FL4K’s Pet deals damage, FL4K regenerates health for a few seconds. Whenever FL4K deals damage to an enemy, their Pet's health is restored for a portion of the damage dealt.

He Bites!

He Bites!	Skill Type: Passive Ability (Max Lv.3) Effect: Damage Reflected: +5% / +10% / +15%

When FL4K's Pet takes damage, the pet returns some of that damage to the attacker.

Frenzy

Hunter Skill. When FL4K’s pet deals damage, FL4K and their pet gain a stack of Frenzy. Each stack of Frenzy increases Damage. The stacks decay after a few seconds.

Empathic Rage

Empathic Rage	Skill Type: Action Skill Augment (Gamma Burst Must be equipped to use) Effect: Damage: +20%

For the duration of Gamma Burst, Damage dealt by FL4K is increased.

Psycho Head On A Stick

Psycho Head On A Stick	Skill Type: Passive Ability (Max Lv.1) Effect: Pet Movement Speed: +12% Pet Damage: +10% Psycho Head On A Stick Duration: 8 seconds

Hunter Kill Skill. Whenever FL4K kills an enemy, their Pet gains increased Movement Speed and Damage for a few seconds.

Hive Mind

Hive Mind	Skill Type: Passive Ability (Max Lv.3) Effect: Damage Shared: 5% / 10% / +15%

When FL4K takes damage, a portion of all damage they take is shared to their Pet instead.

Great Horned Skag

Great Horned Skag	Skill Type: Pet (Must be equipped to use) Effect: Damage: +5.0% Gun Damage: +10.0%

FL4K’s Skag evolves into a larger, Great Horned Skag which will increase FL4K’s Damage and Gun Damage.

When FL4K issues an Attack Command, the will charge at enemies and knock them into the air.

Endurance

Endurance	Skill Type: Action Skill Augment (Gamma Burst Must be equipped to use) Effect: Skill Duration: +3 seconds per kill Pet Damage: +20%

When FL4K or FL4K’s Pet kills an enemy while Gamma Burst is active, the duration of Gamma Burst is extended and pet damage is increased. These effects can stack up to 5 times.

Barbaric Yawp

Barbaric Yawp	Skill Type: Passive Ability (Max Lv.5) Effect: Pet Bonuses: +20% / +40% / +60% / +80% / +100%

Increases the power of Pet Bonuses granted to FL4K.

Mutated Defenses

Mutated Defenses	Skill Type: Passive Ability (Max Lv.1) Effect: Damage Reduction: +30% Health Regeneration: +40% of Max Pet Health Mutated Defenses Cooldown: 15

When FL4K’s Pet is at low health, it gains Damage Reduction and regenerates health. This skill has a long cooldown.

Eridian Skag

Eridian Skag	Skill Type: Pet (Must be equipped to use) Effect: Damage: +5.0% Fire Rate: +5.0%

FL4K’s Skag evolves into an Eridian Skag, which will increase FL4K’s Damage and Fire Rate.

When FL4K issues an Attack Command, their Eridian Skag pulls nearby enemies in by generating a Singularity.

Burst Aid

Burst Aid	Skill Type: Action Skill Augment (Gamma Burst Must be equipped to use) Effect: Health Regeneration: +20% of Max Health/sec

After using Gamma Burst, the Rift remains for the duration of the skill. While standing near the Rift, FL4K and their allies rapidly Regenerate Health.

Pack Tactics

Pack Tactics	Skill Type: Passive Ability (Max Lv.3) Effect: Pet and FL4K Damage: +5% / +10% / +15% Reload Speed: +5% / +10% / +15%

All Damage dealt by FL4K and their Pet is increased.

Additionally, the Maximum Health of both FL4K and their Pet is increased.

Shared Spirit

Shared Spirit	Skill Type: Passive Ability (Max Lv.1) Effect: Damage Shared: +50%

While FL4K is at low health, a portion of all damage they take is shared to their Pet instead.

Dominance

Dominance	Skill Type: Passive Ability (Max Lv.1) Effect: Dominance Duration: 12 seconds Target loses 2% of Max Health/sec

Melee Override Skill. FL4K establishes dominance over an enemy, turning it into an ally for a short time. If the enemy is a Beast, the duration is doubled.

While under the effects of Dominance, the target constantly loses health until it dies or the effect ends. Only one enemy can be dominated at a time. An enemy can only be dominated once.

Other characters in Borderlands

Amara		Zane
Skill Tree	Builds	Skill Tree	Builds
Moze		FL4K
Skill Tree	Builds	Skill Tree	Builds