Franchise-starcraft This is from the StarCraft universe.

Now you better pray, because here comes the hammer!

IconDamage (9/10) IconUtility (3/10) IconSurvivability (3/10) IconComplexity (6/10)

Sgt. Hammer is a Ranged Specialist Hero from the StarCraft universe, though her first appearence was in Heroes of the Storm. She is based off the terran siege tank.


Sergeant Bama “the Hammer” Kowalski has served some of the toughest tours around the Koprulu sector. The thunderous roar of her siege tank’s shock cannon strikes fear right into the heart of the toughest of warriors...including some of her allies.

Gameplay Summary

Sgt. Hammer has the ability to alternate between Tank Mode (where she is mobile and has a shorter range and less powerful damage) and her Siege mode (where she is immobile yet has a longer range and more damage compared to her mobile counterpart).


  • Outstanding range
  • Good waveclear
  • Excellent duelist
  • Very high sustained and burst damage
  • Excellent at pushing and killing heroes
  • Excels at objective based backgrounds (such as Battlefield of Eternity)
  • Easy to master once learned
  • Solid self-sustain with Regenerative Bio-Steel


  • Vulnerable to skillshots while in Siege Mode
  • Relies on her team to protect her
  • Weaker when not in Siege Mode
  • Limited teamfight potential without regular mount
  • Fairly high learning curve


Spider Mines (Q)
Mana: 45
Cooldown: 14 seconds

Create 3 mines that arm after 1.25 seconds. Mines detonate when an enemy comes in range, dealing 96 (+4% per level) damage to nearby enemies and Slowing them by 25% for 1.5 seconds.

Siege Mode: Cast range increased by 100%.

Concussive Blast (W)
Mana: 60
Cooldown: 12 seconds

Deal 141 (+4% per level) damage to enemies in front of Sgt. Hammer and knock them back.

Siege Mode: Range increased by 50%.

Icon Neosteel Plating
Neosteel Plating (E)
Mana: 30
Cooldown: 16 seconds

Gain 25 Armor for 2 seconds.

Siege Mode: Grants 100% more Armor.

Siege Thrusters
Cooldown: 30 seconds

Increase your Movement Speed by 60% for 4 seconds. Thrusters are always active while at the Altar.


Siege Mode (D) [Trait]
Cooldown: 2 seconds

Activate to enter Siege Mode. While in Siege Mode, Basic Attacks deal 20% more damage, have 100% increased range, and deal 25% of their damage as splash damage around the target.

Heroic Abilities

Blunt Force Gun [Heroic Ability]
Tier 4 (Hero Level 10)
Mana: 100
Cooldown: 70 seconds

Fire a missile across the battlefield, dealing 515 (+3% per level) damage to enemies in its path.

Napalm Strike [Heroic Ability]
Tier 4 (Hero Level 10)
Mana: 35
Cooldown: 6 seconds

Deals 170.56 (+4% per level) damage on impact, and leaves a napalm area that deals 52 (+4% per level) damage per second. Lasts for 4 seconds.


Tier 1, Hero Level 1

Tier 1 (Hero Level 1)

Gain Stealth when entering Siege Mode or after not taking or dealing damage for 3 seconds while in Siege Mode. Basic Attacks while Stealthed deal 100% more damage.

Advanced Artillery
Tier 1 (Hero Level 1)

Increase Siege Mode's splash damage to 25.25% of Basic Attack damage, and increase its splash radius by 25%.

Maelstrom Rounds
Tier 1 (Hero Level 1)
Cooldown: 90 seconds

Activate to increase Basic Attack damage dealt by 35% for 5 seconds. Hitting Structures with Basic Attacks reduces the cooldown of Maelstrom Rounds by 5 seconds.

Stores up to 3 charges.

Tier 2, Hero Level 4

Tier 2 (Hero Level 4)

Create a wall of path blocking debris for 4 seconds.

Icon Neosteel Plating
Siege Tactics
Tier 2 (Hero Level 4)

Using Neosteel Plating while in Siege Mode grants Unstoppable for 2 seconds.

Regenerative Bio-Steel
Tier 2 (Hero Level 4)

Basic Attacks while in Siege Mode heal for 10% of the damage dealt.

Tier 3, Hero Level 7

Pulse Detonation Core
Tier 3 (Hero Level 7)

Spider Mines detonate 3 times over 3 seconds.

Hover Siege Mode
Tier 3 (Hero Level 7)

You can move at 40% Movement Speed in Siege Mode.

Graduating Range
Tier 3 (Hero Level 7)

While in Siege Mode, Basic Attack range is increased by 1.0 every 3 seconds, up to 3.0.

Tier 4, Hero Level 10

Blunt Force Gun [Heroic Ability]
Tier 4 (Hero Level 10)
Mana: 100
Cooldown: 70 seconds

Fire a missile across the battlefield, dealing 515 (+3% per level) damage to enemies in its path.

Napalm Strike [Heroic Ability]
Tier 4 (Hero Level 10)
Mana: 35
Cooldown: 6 seconds

Deals 170.56 (+4% per level) damage on impact, and leaves a napalm area that deals 52 (+4% per level) damage per second. Lasts for 4 seconds.

Tier 5, Hero Level 13

Tactical Mine Deployment
Tier 5 (Hero Level 13)

Moving while Thrusters is active leaves a trail of up to 5 Spider Mines. Additionally, increase the Slow of Spider Mines by 15%.

Tier 5 (Hero Level 13)

While in Siege Mode, Concussive Blast's damage and knockback distance are increased by 75%.

Hyper-Cooling Engines
Tier 5 (Hero Level 13)

While in Siege Mode, hitting Heroes with Basic Attacks reduces the cooldown of Thrusters by 5 seconds.

Tier 6, Hero Level 16

Icon Neosteel Plating
Mechanical Know-How
Tier 6 (Hero Level 16)

Neosteel Plating grants 5% maximum Health as a Shield for 2 seconds. If this Shield is destroyed, Basic Attack damage is increased by 50% for 5 seconds.

Giant Killer [Passive]
Tier 6 (Hero Level 16)

Basic Attacks against enemy Heroes deal bonus damage equal to 1.5% of the Hero's maximum Health.

Tier 6 (Hero Level 16)

Attacking a Hero that is slowed, rooted, or stunned increases your Basic Attack damage by 30% for 3 seconds.

Tier 7, Hero Level 20

Orbital BFG
Tier 7 (Hero Level 20)

Blunt Force Gun's missile orbits the planet every 5 seconds. Only the last missile fired orbits.

Advanced Lava Strike
Tier 7 (Hero Level 20)

Napalm Strike's range is increased by 75% and its impact does 50% more damage.

Shrapnel Mines
Tier 7 (Hero Level 20)

Upon detonating, Spider Mines reduce the armor of enemy Heroes hit by 10 for 4 seconds.

Ultra Capacitors
Tier 7 (Hero Level 20)

Hitting enemy Heroes with Basic Attacks while in Siege Mode grants 5% Attack Speed for 5 seconds, up to 40%.

Talent Builds




D.Va is great at disrupting enemy engages due to her knockback, her Self-Destruct, and Defense Matrix. With D.Va providing protection, Sgt. Hammer can continue to shell away at the enemy team.

Effective against

Sgt. Hammer can outheal Lunara's poison with Regenerative Bio-Steel talent, and her range, damage and health pool are higher than Lunara's health, range and damage. This allows Sgt. Hammer to duel with Lunara at almost anytime.

Effective foes


Siege Tank Operator
HammerSTORed HammerSTOBlue HammerSTOWhite
Siege Tank Operator Raider Umojan
Master Sgt. Hammer IconShard 100

With as many kills as she'd racked up on the battlegrounds of the Nexus, Sgt. Hammer deserved her promotion to Master Sergeant... even if she promoted herself.

HammerMasterRed HammerMasterBlue HammerMasterBlack
Master Renegade Moebius
Sgt. Doomhammer IconShard 400
The Iron Demolisher is the pride of the orcish war machine. Sgt. Grimina Doomhammer was given the honor of piloting it in recognition of her years of service in the Arathi Basin battlefield.
This skin is related to the Warcraft themed-skins. Features themed abilities.
HammerDHRed HammerDHGreen HammerDHPurple
Sgt. Doomhammer Fel Shadow
War World IconShard 400
The battle has raged across War World III for years. No one remembers who fired the first shot, but Sgt. Bama the Hammer is fully confident she'll be the one firing the last.
Features themed abilities.
HammerWWGreen1 HammerWWBrown HammerWWDGreen Hammer - War World - Neon
War World Camo Tech Neon


Removed skins
Siege Tank
Warworld III


  • In the previous builds of Heroes of the Storm, the characters Horace Warfield and Edmund Duke were to be the Siege Tank Hero before being replaced by Sgt. Hammer.[1]

Patch changes

  • Patch (Patch March 6, 2018Note: Has received a custom Hearthstone animation.
  • Patch (Patch December 12, 2017Note: Health increased from 1638 to 1720; Health Regeneration increased from 3.4 to 3.6; Basic Attack damage increased from 128 to 140.
  • Patch (Patch November 29, 2017Note: Basic Attack is now more responsive.
  • Patch (Patch April 4, 2017Note: Radius adjusted to better match actual model size.
  • Patch (Patch September 13, 2016Note: Basic Attack range indicators should now appear consistent while Sgt. Hammer is in both Tank and Siege Modes.
  • Patch (Patch August 18, 2015Note: Received updated facial animations.; Health increased from 720 (+140 per level) to 740 (+150 per level).


  1. 2013-11-11, Heroes of the Storm: Sixen Interviews Dustin Browder. YouTube, accessed on 2013-12-01

External links

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