Theorylytics
Ack & Brunt

Ack & Brunt

Melee / Generalist

Tyl Regor's custom axe and shield are how he likes to eliminate ‘frustrations'.

Role
Melee / Generalist
Polarities
None
Exilus
Mastery
3
Disposition
1.35
Introduced
Update 17.0 (2015-07-31)

Stats

Ordnance Telemetry

MeleeMelee

Damage

149.0

Crit

20.0%

Crit Mult

2.0x

Status

10.0%

Damage Composition

149.0 total

Impact
14.9
Puncture
119.2
Slash
14.9
Attack Speed
0.83
Range
2.5
Combo
5.0s
Follow Through
0.6
Disposition1.35
None
  • Mastery3
  • IntroducedUpdate 17.0 (2015-07-31)
  • Market150 Platinum
  • Build Cost65,000 Credits
  • Build Time24h 0m
  • Rush35 Platinum

Weapon dossier

Verified 2026-07-23

Playstyle

Tyl Regor's custom axe and shield are how he likes to eliminate ‘frustrations'. Built as a melee / generalist option for squad clear and mission pressure.

Signature

Ack & Brunt is not a signature weapon — any frame can use it without a signature passive.

When to Pick

  • You want a Melee that fits a melee / generalist play pattern.
  • Your loadout needs what Ack & Brunt does well — check Mission Usefulness below before investing Forma.
  • You’re ready to Catalyze / Forma it if you plan to main it on Steel Path.

Attack Modes

  • Normal Attack

    Impact 14.9 · Slash 119.2 · Puncture 14.9

    Crit 20% / 2× · Status 10% · Fire Rate 0.83

  • Spectral Axe

    Impact 29.8 · Slash 104.3 · Puncture 14.9

    Projectile · Crit 13% / 2× · Status 33% · Fire Rate 0.83 · Projectile 60

  • Spectral Axe Explosion

    Heat 303

    AoE · Crit 13% / 2× · Status 33% · Fire Rate 0.83 · Falloff 0–5m (−30%)

  • Slam Attack

    Impact 298

    AoE · Crit 20% / 2× · Status 10% · Fire Rate 0.83 · Falloff 0–7m (−50%)

  • Heavy Slam Attack

    Blast 447

    AoE · Crit 20% / 2× · Status 10% · Fire Rate 0.83 · Falloff 0–8m (−30%)

Attack Notes

  • Normal Attack: Impact 14.9, Slash 119.2, Puncture 14.9.
  • Spectral Axe (Projectile): Impact 29.8, Slash 104.3, Puncture 14.9.
  • Spectral Axe Explosion (AoE): Heat 303.0.

Upgrades

Permanent investments on this weapon copy — separate from the Prime variant.

  • Orokin CatalystCapacity

    Doubles mod capacity so endgame builds fit.

    Usually the first permanent upgrade on a weapon you plan to main.

  • FormaPolarity

    Adds or changes polarities so matching mods cost half capacity.

    expect multiple Forma for a hungry config.

  • Stance / Exilus (as applicable)Slot

    Unlocks utility options (Exilus on guns; melee focuses on stance polarity + utility mods).

    Install when you need ammo, handling, or QoL without sacrificing damage slots.

  • Melee Arcane AdapterArcane

    Lets you install a weapon arcane for a strong passive bonus.

    Worth it once the base mod config is already solid.

  • Riven ModRiven

    Unique rolled mod. Disposition 1.35.

    Chase clean desirable stats; skip awkward negatives on low-disposition weapons.

Mod Scaling

Multishot

Melee doesn’t use multishot — invest in range, combo, and attack speed instead.

Critical

Blood Rush + crit damage is the classic crit melee route when base crit is workable.

Elemental

Viral/Heat or Corrosive/Heat dual-stats after your damage and conditioner mods.

Fire Rate

Attack speed (Berserker Fury / Primed Fury) keeps combo stacks rising.

Priority

Damage/CO → Blood Rush / Weeping Wounds → Crit Damage → Elemental → Range/Speed QoL.

Mission Usefulness

Mission / ContextRatingWhy
Steel Path Survival / Defense / DisruptionStrongTest whether Ack & Brunt still clears or enables clear when enemies are dense and overlevelled.
Exterminate / Capture Speed RunsStrongUse Ack & Brunt when its fire pattern matches fast tile clears — skip if it feels awkward on empty lanes.
Mobile Defense / ExcavationStrongHold objectives by deleting approach packs with Ack & Brunt, then reposition.
Open World / Long SightlinesSituationalLong sightlines favor hitscan/sniper/bow patterns over short falloff or melee.
Solo Boss / Single-TargetSituationalFine if Ack & Brunt has strong single-target multipliers; otherwise bring a dedicated boss weapon.

Acquisition

Check the How to Get table for blueprint / part drop sources.

Crafting

Build
Credits
65,000
Time
24h 0m
Rush
35 Plat
Blueprint×1Cryotic×3,300Detonite Injector×5Forma×1Salvage×7,500
Total resources
Blueprint×1Cryotic×3,300Detonite Injector×5Forma×1Salvage×7,500
Credits
65,000
Time
1d
Rush
35 Plat

Alternatives

Other options if Ack & Brunt isn’t the right fit.

  • Amanata

    Another Melee if you want more status than Ack & Brunt (Amanata: 24.0%).

  • Amphis

    Another Melee if you want more status than Ack & Brunt (Amphis: 21.0%).