The Phahd Scaffold (or community-denoted as "x4x") is a scaffold used in Amp construction, that allows the weapon to perform an alternate secondary fire function (default Mouse 3 ). When fired, the Phahd fires an energy glaive that automatically homes in and bends towards its target. Allowing multiple targets to be hit, up to 4 times.
The blueprint is sold by the Quills for 
2,000 at Instrument rank or higher. It is also a possible rank-up reward upon advancing to Instrument rank with the Quills.
| Manufacturing Requirements | |||||
|---|---|---|---|---|---|
 5,000 |
 40 |
 2 |
 60 |
 1 |
Time: 1 hrs |
Rush:  10
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 Market Price: N/A
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 Blueprints Price:  2,000
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Characteristics[]
This weapon deals exclusively 
Void damage.
Advantages:
- Very high base damage.
- Innate
Void damage – effective against Sentient-type enemies.
- Can reset any damage adaptation built up by Battalysts, Conculysts and Shadow Stalker.
- Can damage Teralyst, Gantulyst, and Hydrolyst's impervious shields.
- Can destroy the otherwise impervious Vomvalyst's spectral form.
- Can change Profit-Taker Orb's shield weakness.
- Innate
- Very high critical chance and critical multiplier.
- Projectiles can bounce up to 10 times, and hit up to 4 enemies with a single shot.
- Projectiles have a slight homing effect.
- Projectiles detonate after each bounce dealing area damage in a 5 meter radius.
- Initial hit and explosion apply status separately.
- Explosion does not need direct line of sight to deal damage and will penetrate walls.
- Projectiles have a guaranteed knockdown.
- Does not use ammo pickups; energy regenerates over time.
- Has a 2 second delay after the weapon stops firing before regenerating energy.
- Regenerates 30 energy per second; takes 3.33 seconds to regenerate a fully depleted energy meter.
- Can regenerate 3 energy between each shot if built with Plaga Brace.
- Has a 2 second delay after the weapon stops firing before regenerating energy.
Disadvantages:
- Projectiles have travel time.
- Low status chance.
- Explosion inflicts self-stagger.
- Explosion has a headshot multiplier of 1x and cannot trigger headshot conditions.
- Explosion has linear Damage Falloff from 100% to 60% from central impact.
- Fast energy consumption, consumes 33.4 energy/second at base fire rate.
- Has a 0.6 second delay of re-entering Void Mode after firing is stopped.
Notes[]
- The projectile does not bounce to nearby Eidolon limbs, only applying damage once.
- This also means that damage caused by the projectile's explosion will not be dealt to Eidolon limbs, unless the projectile can make a direct hit on the vulnerable point.
Trivia[]
- This scaffold was unintentionally released in Update 22.18 (2018-04-20) and was removed in the subsequent hotfix. Amps built with the Phahd Scaffold at the time stayed in players' inventories. [1]
Patch History[]
Update 32.0 (2022-09-07)
- Headshot Damage Changes
During playtesting, the ammo changes alone weren’t enough to significantly change things for AoE weapons. So instead of tightening these values to be overly restrictive, we chose to address other factors that make these weapons so strong, such as headshot damage.
Our approach here is two-fold, to reduce the impact of headshots for AOE weapons, but to also make precision headshots pack a larger punch overall.
- Radial damage no longer gains extra headshot damage or triggers headshot conditions.
- This is primarily targeted at the Ignis Wraith - as a “flamethrower” weapon, it’s hard to imagine a blanket of elements being precise enough to target weak points specifically. Explosive projectiles themselves can still land headshots, so there is still a reason to aim with most weapons for maximum damage.
Update 30.9 (2021-11-11)
- Amp Recipe Reductions
This change is two fold: reduced crafting costs for Amp parts, and reduced Standing cost for purchasing parts. Our goal here is to make constructing an Amp more accessible to players by reducing resource demands. This is rooted firmly in the role upgrading your Amp plays in performing well in main quests like The Sacrifice as well as engaging in Focus Tree related content. Here are the changes below:
- Phahd
- Standing cost reduced from 10,000 to 2,500
- Grokdrul cost reduced from 60 to 40
- Seram Beetle Shell cost reduced from 3 to 2
- Fersteel Alloy cost reduced from 85 to 60
- Heart Nyth cost reduced from 2 to 1
Hotfix 29.5.2 (2020-11-20)
- Lessened the self stagger range of Phahd’s projectile.
Update 29.5 (2020-11-19)
- Phahd projectile now explodes on every bounce.
- Reduced Phahd explosion damage from 3100 to 1100.
Hotfix 27.2.2 (2020-03-06)
Reduced the following AoE weapons Radial Damage Falloff from central impact that were all previously 90%:
- Phahd Scaffold: 40%
Update 27.2 (2020-03-05)
- Self Damage Changes
We are getting rid of Self Damage and replacing it with something else: instead of Self Damage, it’s now ‘Stagger’. This change completely removes the chance of killing yourself, and instead now creates scenarios where you will interrupt yourself - or ‘Stagger’ - to varying degrees if you aren’t careful.
The degrees of Self-Interrupt start with a small stumble all the way to full knockdown depending on how close you are to the center of explosion. Any Mods referring to Self Damage will be converted to acknowledge Stagger.
With this Self-Interrupt system, we have added dozens of new recovery animations that harness a ninja-like recovery experience. By pressing ‘Jump’ at the correct time, you can execute a ninja-skill-based knockdown recovery to ALL in-game knockdowns. This ninja recovery window is indicated by a glowing FX on your Warframe.
In the original Dev Workshop, we said:
As a result of this overall systemic change, Weapons with Stagger will be getting approximately a 20% buff in Damage, with any weapons with AOE receiving a 50% Radial Damage Falloff from central impact.
This is no longer accurate after continued testing. What we are doing now is:
No damage buffs have been added, but any weapons with AOE are receiving ~20% increase in Radius. Additionally, AOE weapons are receiving a 90% Radial Damage Falloff from central impact. This means on the very outer section of the explosion Radius 10% of the Damage will be dealt. Tactics will be deadly - aim true, Tenno.
Why: Several players brought up the history of the Tonkor and we want to make sure we ship this change in a place that’s conservative in its starting point from a balance perspective. The complete removal of Self Damage does change the pace of destruction with some of the game’s most powerful weapons, so we want to make sure we can iterate upwardly instead of releasing a bonanza of explosions with no other choices.
Update 23.5 (2018-08-24)
- Fixed a crash when firing the Phahd Scaffold Alt Fire.
- Fixed lingering FX from the Phahd Scaffold Alt Fire.
Hotfix 23.4.2 (2018-08-17)
- Fixed the Phahd Scaffold projectiles not passing through Volt’s Electric Shield.
- Fixed the projectile only bouncing 3 times for the Host and 20 for Clients by adjusting to 10 max bounces for both Hosts and Clients.
- Fixed receiving an unintended boost to Damage, Crit Chance, Crit Damage and status chance. Adjusted to its intended (Gilded) stats of:
- 3000 Damage on Impact.
- 5 meter 3100 radial Damage with no fall off on detonation/last bounce.
- Knock Down added to radial Damage.
- 12% status chance.
- 34% Critical Chance.
- 2.6x Critical Damage.
Update 23.4 (2018-08-16)
- Introduced.
Last updated: Hotfix 25.5.2 (2019-08-02)
References[]
| Amp Components | |
|---|---|
| Prisms (Xxx) |  Raplak •  Shwaak •  Granmu •  Rahn •  Cantic •  Lega •  Klamora
|
| Scaffolds (xXx) |  Pencha •  Shraksun •  Klebrik •  Phahd •  Exard •  Dissic •  Propa
|
| Braces (xxX) | Clapkra • Juttni • Lohrin • Anspatha • Suo • Plaga • Certus |
| Amps | |
| Premade |  Mote Amp •  Sirocco
|