FRAMELEGEND
(02) (Melee) © 2026

Caustacyst

Melee · Melee

Start a build
Caustacyst

(Stats)

Base damage
260
Critical chance
9.0%
Critical multi
2×
Status chance
37.0%
Fire rate
1
Magazine
—
Reload
—
Mastery
7

(Damage breakdown)

  • corrosive 103
  • puncture 71
  • slash 69
  • impact 17

(Riven disposition)

4 — a stronger disposition means larger riven rolls, and it moves when the community changes how much it uses this weapon.

(Mods)

How to craft Caustacyst

Credits, all in
30,000
Build time
1 day
Rush, all in
35 p
Or buy outright
230 p

The build time is the foundry's for the weapon itself.

Everything it eats

  • 15,000FerriteMercury · Earth · Neptune · Void · Lua · Zariman Ten Zero
  • 4,000PlastidsPhobos · Saturn · Uranus · Pluto · Eris
  • 10Mutagen MassRefined from Control Module, Mutagen Sample, Plastids, Salvage — Clan Research (Bio Lab in the Dojo) and Infested Outbreak Invasion Rewards
  • 5Nitain ExtractNightwave Cred Offerings

Under each resource, the planets whose missions drop it — or, where no planet does, how it is found, as the WARFRAME Wiki records it.

The tree

Caustacyst blueprint30,000 cr · 1 day · rush 35 p
  • 10 Mutagen Mass
  • 15,000 Ferrite
  • 4,000 Plastids
  • 5 Nitain Extract

(Other Scythe weapons)

11 weapons share this class. Here are 8.

(Builds)

No FrameLegend build for Caustacyst yet — see what players have published →

Figures as reported by the game export · snapshot 30 Sept 2026