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Borderlands 4
Calamity Skill Tree Guide
☆ How Rush Saved Mercenary Day (Bounty Pack 1)
★ 12 active SHiFT Codes as of December 4, 2025
☆ Black Market Location
★ Elemental Weakness Chart
☆ Legendary Weapons
★ Builds: Vex | Amon | Rafa | Harlowe
Calamity is one of Amon's skill trees that focuses on melee combat in Borderlands 4. See a list of all Calamity skills, as well as the playstyle of this skill tree.
List of Contents
List of Calamity Skills
| Skills by Type | ||
|---|---|---|
| Capstones | Passives | Augments |
Calamity Capstones
| Skill | Effect |
|---|---|
 Hoarcleave
(Branch 1) |
Molten Slam is now Hoarcleave. Press and hold Action Skill to swing a Massive Forgeaxe, launching a Forgewave that deals Cryo Melee Damage and Freezes enemies it passes through. Enemies killed by Hoarcleave cause a Detonation, dealing Cryo Damage. |
 Molten Roil
(Branch 2) |
Pyres deal additional Incendiary Melee Damage based on Damage Stored by Molten Slam, distributed among the remaining targets. |
 Stormcutter
(Branch 3) |
Molten Slam is now Stormcutter. Press and hold Action Skill to swing a Massive Forgesword, launching a Forgewave that deals Shock Melee Damage to all enemies it passes through. Restore Action Skill Cooldown, Action Skill Duration, and Ordnance Cooldown for each enemy hit. |
Calamity Passives
| Skill | Effect |
|---|---|
 Bullet Storm
|
Whenever Amon applies a Status Effect, he gains increased Gun Damage for a Duration. This effect can stack. |
 Discombobulate
|
Amon gains Melee Critical Hit Chance. |
 Forged In Steel
|
Amon becomes immune to all Damage for a brief Duration whenever he activates a Forgeskill. |
 Gut Punch
|
Melee Damage and Ordnance Damage have a chance to apply Weakness to enemies for a Duration. Weakened enemies deal reduced Damage, and take increased Damage. Weakness is affected by Status Effect Duration, and is itself considered a Status Effect. |
 Heavy Plate
|
Amon gains increased Maximum Shield Capacity and Maximum Overshield Capacity. |
 Impulsion
|
Kill Skill. Amon gains increased Shield Regeneration Rate and Movement Speed for a Duration. This effect can stack. |
 Metal Urge
|
Whenever Amon deals Gun Damage, he gains increased Action Skill Cooldown Rate for a Duration. This effect can stack. |
 The Best Defense
|
Amon gains Overshield whenever he deals Melee Damage. |
 Tritanium Knuckles
|
Amon gains increased Melee Damage and Skill Damage. |
 What Burns Within
|
Amon gains increased Incendiary Damage. |
 Wield the Storm
|
Amon gains increased Status Effect Damage and Status Effect Duration. |
 Berserk
(Branch 1) |
Whenever Amon activates his Forgeskill, he becomes Berserk for a Duration, gaining Slow Immunity, and Bonus Cryo Damage with Gun Damage and Melee Damage. |
 Bloodlust
(Branch 1) |
Whenever Amon's Shield Breaks, he gains Bloodlust for a Duration, gaining increased Reload Speed and Lifesteal. Bloodlust is also activated on Action Skill Activation. |
 Brimming Vigor
(Branch 1) |
Amon gains increased Maximum Health Capacity and deals increased Melee Damage the more full his Health. |
 My Touch Is Death
(Branch 1) |
Whenever Amon deals Melee Damage, there is a chance to Activate Kill Skills. |
 Rimebreak
(Branch 1) |
Whenever Amon's Shield Breaks, he partially Restores Shield and Detonates, dealing Cryo Damage to all nearby enemies and Freezing them. |
 There Is Only Red
(Branch 1) |
Kill Skill. Whenever Amon kills an enemy while Berserk is active, partially restore Berserk's Duration, and increase Bonus Cryo Damage from Berserk. |
 Burning Ramparts
(Branch 2) |
Amon gains increased Fire Rate and Status Effect Chance the more full his Shields. |
 Harbinger
(Branch 2) |
Kill Skill. Amon gains increased Melee Damage and Maximum Shield Capacity for a Duration. This effect can stack. |
 Into the Fray
(Branch 2) |
Amon gains increased Damage Dealt and Damage Reduction based on his distance from the enemy. The closer the enemy, the greater the bonus. |
 Maiming Strike
(Branch 2) |
Gun Critical Hits have a chance to apply Weakness to enemies for a Duration. Weakened enemies deal reduced Damage, and take increased Damage. Weakness is affected by Status Effect Duration, and is itself considered a Status Effect. |
 Mortal Flare
(Branch 2) |
Whenever Amon kills a Weakened enemy, they Detonate, dealing Incendiary Melee Damage to nearby enemies. |
 Rearm
(Branch 2) |
Whenever Amon deals Damage with a Melee Attack, his current Gun has its Ammo partially refilled. |
 Catastrophe
(Branch 3) |
Whenever Amon applies Shock to an enemy, he gains increased Critical Hit Chance for a Duration. Whenever Amon applies Burning to an enemy, he gains increased Critical Hit Damage for a Duration. Both effects stack separately. |
 Crackling Aegis
(Branch 3) |
Amon gains increased Status Effect Damage and Ordnance Damage based on his Shields. The fuller his Shield, the greater the effect. |
 Dragon's Breath
(Branch 3) |
Whenever Amon Activates his Ordnance, his next Gun Shot is converted to Incendiary Damage, Staggering damaged enemies, and gaining increased Damage Dealt. Bosses cannot be Staggered, and Badasses have a chance to be Staggered. |
 Electrical Fire
(Branch 3) |
Whenever Amon Burns an enemy, he also Shocks them. Whenever Amon Shocks an enemy, he also Burns them. |
 Fists of Stone
(Branch 3) |
Whenever Amon deals Melee Damage, Restore a percentage of Forgeskill Cooldown. Melee Attacks Double this effect. |
 Judgment
(Branch 3) |
Amon deals increased Melee Damage to enemies below 50% total HP. |
Calamity Augments
| Skill | Effect |
|---|---|
 Pyroclast
|
Whenever Onslaughter is activated, Amon fully Restores his Health and Shield, and is surrounded by a Forgestorm that deals Incendiary Status Effect Damage to nearby enemies over time. Kill Skill. Killing an enemy inside of the Forgestorm restores Amon's Action Skill Duration, and increases Forgestorm's Damage. |
 Thermal Diffusion
|
Rocket Punch now has two modes, gains increased Radius, and deals Bonus Damage based on Amon's Maximum Shield Capacity. Pressing Action Skill causes Rocket Punch to deal Incendiary Melee Attack Damage. Pressing Melee causes Rocket Punch to deal Cryo Melee Attack Damage. |
 Fellfrost
(Branch 1) |
Pressing Action Skill immediately after a Rocket Punch causes Amon to use a follow-up attack, dealing Cryo Melee Attack Damage in a large area in front of Amon. Non-Boss enemies hit below 25% Total HP are killed. |
 Force of Nature
(Branch 2) |
While Onslaughter is active, Gun Damage dealt to enemies will Prime them for a Duration, and will Detonate when they die or are damaged by a Forgeskill, dealing Incendiary Damage to nearby enemies. Detonations can also be caused by Melee Attack Damage, but deal less Damage. This effect can stack. |
 Fulminating Fist
(Branch 3) |
Amon gains increased Status Effect Chance while Onslaughter is active. Pressing Action Skill launches a concentrated Lightning Wave that deals Shock Melee Attack Damage to enemies it passes through. |
Calamity Action Skill and Playstyle
Onslaughter
Onslaughter unleashes Amon's Forgefist, gaining shield regeneration, bonus incendiary damage, and increased movement speed. This attack can dash towards an enemy and cause stagger.
Brawler Playstyle
This skill tree is recommended for players who want to spec into a brawling playstyle thanks to improved survivability, damage, and mobility.
Borderlands 4 Related Guides
All Skills by Tree
| Vex | ||
|---|---|---|
| The Fourth Seal | Vexcalation | Here Comes Trouble |
| Amon | ||
| Calamity | Vengeance | Cybernetics |
| Rafa | ||
| People Person | Remote Agent | This Year's Gimmick |
| Harlowe | ||
| Creative Bursts | Seize the Day | Cosmic Brilliance |
Comment
Author
Calamity Skill Tree Guide
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