Magazine Size of all weapons increases for each stack of Bloodlust.

Dealing damage to an enemy adds a stack of Bloodlust.
Stacks decay after a few seconds if you haven't dealt damage.

Upon death, you drop a free grenade.
Enemies killed with this grenade reward double XP.

Kill Skill

‍Killing an enemy increases your Weapon Swap Speed for each stack of Bloodlust.

Dealing damage to an enemy adds a stack of Bloodlust.
Stacks decay after a few seconds if you haven't dealt damage.

Increases Melee Damage.
Further increased if your shield is down or your magazine is empty.

Increases Maximum Health and Shield Recharge Delay.

Kill Skill

Killing an enemy increases your chance of causing Elemental Effects.

Chance to light yourself on fire when igniting an enemy.

Press [action-skill] to start your Buzz Axe Rampage.
During Buzz Axe Rampage your Melee Damage and Movement Speed are increased.

Killing an enemy instantly refills your health.
Taking damage accelerates Cooldown Recharge.

Burn Damage increased.
Effects further increased while you are on fire.

Chance to light yourself on fire when igniting an enemy.

Assault Rifle Damage during Fight for your Life is increased for each stack of Bloodlust.

Increases Gun Damage for all gun types except sniper rifles.
Decreases Critical Hit Damage with all weapons, and increases Melee Damage.

Effects further increase while you are on fire.

Taking damage recharges Buzz Axe Rampage at a faster rate.
Taking health damage increases the bonus even further.

You can now be damaged by teammates.

Increases Fire Rate while your shields are down.
Additionally, increases the delay before your shields start to recharge.

All damage received is reduced while you are on fire.

Kill Skill

Killing an enemy with a bullet increases your Melee Damage and reduces Grenade Fuse Time per Bloodlust stack per level for a short time.

During Buzz Axe Rampage, all damage you suffer is reduced.
Damage reduction is increased for each stack of Bloodlust.

Killing an enemy during Buzz Axe Rampage adds extra stacks of Bloodlust.

A percentage of Overkill Damage [damage that is over and above what was needed to kill the enemy] is returned to you as health.
The lower your health, the higher the percentage.

Increases Explosive Damage.
Bonus increases further when in Fight for your Life.

When Elemental Status Effect Damage is being done to enemies you gain stacks of Elemental Elation.
Fire Rate and Magazine Size increased for each stack of Elemental Elation.

Stacks will not decay while you are on fire.

Kill Skill

Killing an enemy with a grenade or explosion increases Weapon Damage for each stack of Bloodlust.
An enemy killed this way has a greater chance to drop grenade ammo.

All Elemental Status Effects you cause have a chance to light yourself on fire.
Ignite chances are determined by those accumulated from Burn, Baby, Burn and Fuel the Fire.

When thrown, your buzz axe now has Dynamite attached to it which explodes on impact.

Kill Skill

Killing an enemy with a melee attack increases Grenade Damage for each stack of Bloodlust, as well as adding bonus stacks to Bloodlust.

Melee attacks have a chance to Ignite enemies.

Weapon Accuracy and Reload Speed are increased while you are on fire.

Fight For Your Life is replaced with Light the Fuse.

During Light the Fuse you pull out a live bundle of dynamite and can move normally.
The bundle detonates when the timer runs out.

If you kill someone you are revived.
Getting a revive with the bundle explosion gives you bonus Movement Speed for the remainder of the time that was left in Light the Fuse.

Taking damage from an enemy while your shield is down adds a stack of Salt the Wound.
Increases Melee and Shotgun Damage for each stack accrued.
Stacks begin to decay after a short time without taking health damage from enemies.

You can instantly Revive down teammates.
After reviving a teammate in this way you must Fight for your Life.
Increased time during Fight for your Life.

You may revive in this way only once each time Buzz Axe Rampage is on cooldown.

Duration of Buzz Axe Rampage is increased for each stack of Bloodlust at the time of activation.

Melee Override Skill

Pressing [melee] causes you to breathe fire in a cone in front of you.

Increases the time before Bloodlust stacks start to decay.

Increases the duration of all Burn Effects on you.
Each time you apply a Burn Effect to an enemy, there's a chance another Burn Effect will be applied after a short time.

A percentage of Elemental Status Effect Damage done to enemies heals you.

Kill Skill

Killing an enemy increases your Reload Speed for each stack of Bloodlust.

Melee Damage significantly increased.

Chance when performing a melee attack that you attack yourself.

Killing an enemy causes them to explode with an Elemental Nova matching the element of the damage that killed it, with Non-Elemental damage creating an explosive nova.

Any Overkill Damage is also added to damage caused by an Elemental Nova.

Activating Buzz Axe Rampage when at or below 33% of your max health remaining instantly refills your health and transforms you into a Badass Psycho Mutant.
You deal increased Melee Damage and receive significant damage reduction for the duration of the rampage.

When you return to normal, your Buzz Axe Rampage is instantly recharged.

While you are on fire, taking damage from enemies will spawn homing balls of fire that seek out the attacker and explode on impact.
Fireballs can only trigger once per second.