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Slash through enemies with two leaves of the exceedingly rare Arum Spinosa plant. Heavy Attack to whip a flurry of toxic spines at ranged attackers.

Arum Spinosa is an Infestation b.svg Infested Warfan that shoots DmgToxinSmall64.png Toxin projectiles on Heavy Attack.

Characteristics[]

This weapon primarily deals DmgSlashSmall64.png Slash damage.

Advantages:

  • Heavy Attacks throw toxic spines, with each spine doing 70 base damage.
  • The first heavy attack throws 18 spines, each with a 2.5x damage multiplier; the second heavy attack in sequence throws 9 spines, each with a 5x damage multiplier,
  • Damage of the spines are affected by mods.
  • Spines are considered a heavy attack. Their damage will scale from the combo counter and mods such as Mod TT 20px.png Killing Blow.
  • Spines have innate Punch Through.
  • Spine damage does not diminish with distance.

Disadvantages:

Acquisition

The Arum Spinosa's blueprint and components can be acquired from Tier 2 (Lvl 40-50) Isolation Vault Bounties (normal and Arcana). The blueprint and all components can be traded.

Source Chance Expected Nearly Guaranteed
Main Blueprint
(Normal - Final Stage)
6.25% 61 – 62 Final Stages 342 ± 114 Final Stages
Guard
(Normal - Final Stage)
3.75%
Rivet
(Normal - Final Stage)
2%
Main Blueprint
(Arcana - Stage 1)
12.5% 8 Stage One's 52 ± 17 Stage One's
Main Blueprint
(Arcana - Stage 2)
7.81% 26 – 27 Stage Two's 144 ± 48 Stage Two's
Guard
(Arcana - Stage 2)
4.69%
Main Blueprint
(Arcana - Stage 3)
7.81% 26 – 27 Stage Three's 144 ± 48 Stage Three's
Guard
(Arcana - Stage 3)
4.69%
Guard
(Arcana - Final Stage)
7.5% 29 – 30 Final Stages 169 ± 56 Final Stages
Rivet
(Arcana - Final Stage)
4%

All drop rates data is obtained from DE's official droptables.

Expected refers to total number of attempts a player can expect to need in order to receive at least one of each drop associated with the respective values.
Nearly Guaranteed refers to the total number of attempts a player needs to obtain a 99%, 99.9%, and 99.99% probability to receive at least one of each drop associated with the respective values.

For more detailed definitions and information on how these number were obtained, visit here.


Manufacturing Requirements
Credits64.png
5,000
Guard
2
Rivet
1
TrapeziumXenorhast.png
1
CabochonEmbolos.png
1
Time: 12 hrs
Rush: Platinum64.png 35
MarketIcon.png Market Price: Platinum64.png N/A Blueprint2.svg Blueprints Price:N/A

Notes[]

Trivia[]

  • The name of the weapon may have come from the English word "Arum", and Italian word "Spinoso".
    • The arum is a flowering plant seen in Europe, northern Africa, and western and central Asia.
    • "Spinoso", in Italian, means "Prickly", or "Thorny".

Media[]

Patch History[]

Hotfix 29.6.2 (2020-12-22)

  • Fixed issues with colour customizations not saving on the Arum Spinosa projectiles.

Hotfix 29.5.9 (2020-12-15)

Sporothrix and Arum Spinosa Blueprints are now tradable!

To balance out the Weapon Blueprint drop % reduction we’ve made the Sporothrix and Arum Spinosa Blueprints tradable. The Sporothrix and Arum Spinosa parts were already Tradable, but it’s now one step further.

Hotfix 29.5.3 (2020-11-23)

  • Fixed the actual base Blueprint for the new Arum Spinosa not being in Rotation A of Deimos: Arcana Bounties. Arum Spinosa Blueprint is now in Rotation A at 18%.

Update 29.5 (2020-11-19)

  • Introduced.
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