The 
Fieldron is a component used in the crafting of weapons from the Dojo Energy Lab.
Acquisition[]
- Its blueprint can be researched from the Energy Lab in the dojo.
- 3 are offered as a reward for completing Corpus Invasion type missions.
- Can be found in Rare and Reinforced Corpus Storage Containers.
- Sometimes available as Tier 4 Bounty rewards in Orb Vallis after completing a stage.
| Manufacturing Requirements | |||||
|---|---|---|---|---|---|
 15,000 |
 10 |
 1 |
 500 |
 250 |
Time: 12 hrs |
Rush:  5
| |||||
 Market Price: N/A
|
 Blueprints Price:  15,000
| ||||
Energy Lab Research •  2,000
| |||||
 5,000 |
5 |
 100 |
 500 |
 200 |
Time: 72 hrs |
| Prereq: N/A | |||||
 x1  x3  x10  x30  x100
| |||||
Drop Locations[]
Mission Drop Tables
| Mission Type | Source | Rotations or Drop Table |
Chance[1] | Quantity[2] | Avg. per roll[3] | Star Chart Nodes |
|---|---|---|---|---|---|---|
| Fortuna Bounty | Fortuna Bounty Lvl 30-50 Stage 1 | A | 33.33% | 2 | 0.6666 |
|
| Fortuna Bounty | Fortuna Bounty Lvl 30-50 Stages 2 & 3 | A | 20% | 2 | 0.4 |
|
| Fortuna Bounty | Fortuna Bounty Lvl 30-50 Stage 4 | A | 16.67% | 2 | 0.3334 |
|
| Invasion | Invasion | B | 75.88% | 3 | 2.2764 |
See in-game World State Window for active Invasion nodes |
Enemy Drop Tables
| Enemy | Drop Table Chance[4] | Item Chance[5] | Chance[6] | Expected Kills[7] | Quantity[8] | Avg. per roll attempt[9] |
|---|
Sourced from the official drop table repository. See Module:DropTables/data to edit on the wiki.
Blueprints Requiring Fieldron[]
| Blueprints | Type | Quantity (Research) |
|---|---|---|
| Amesha | Archwing | (1) |
| Amesha Wings | Component | (1) |
 Amprex |
Primary | 8 |
| Antiserum Injector | Gear | 2 |
 Arca Plasmor |
Primary | 5 |
 Arca Scisco |
Secondary | 5 |
 Banshee |
Warframe | (1) |
| Banshee Systems |
Component | (1) |
 Battacor |
Primary | 10 |
 Convectrix |
Primary | 5 |
 Cyanex |
Secondary | 5 |
 Cycron |
Secondary | 4 |
 Dera |
Primary | 2 |
 Dual Cestra |
Secondary | 2 |
| Elytron | Archwing | (1) |
| Elytron Wings | Component | (1) |
 Falcor |
Melee | 5 |
 Ferrox |
Primary | 5 |
 Flux Rifle |
Primary | 5 |
 Glaxion |
Primary | 1 |
| Helios | Sentinel | 10 |
| Itzal | Archwing | (1) |
| Itzal Wings | Component | (1) |
 Komorex |
Primary | 5 |
 Kreska |
Melee | 10 |
 Lanka |
Primary | 5 |
 Lenz |
Primary | 10 |
 Nezha |
Warframe | (1) |
| Nezha Systems |
Component | (1) |
 Ocucor |
Secondary | 10 |
 Opticor |
Primary | 5 |
 Prova |
Melee | 1 |
 Quanta |
Primary | 7 |
| Railjack Cephalon | Cephalon | 2 (5) |
 Serro |
Melee | 1 |
 Spectra |
Secondary | 3 |
 Staticor |
Secondary | 10 |
 Supra |
Primary | 7 |
 Volt |
Warframe | (1) |
| Volt Systems |
Component | (1) |
 Zephyr |
Warframe | (1) |
| Zephyr Systems |
Component | (1) |
 Yareli Systems |
Component | (1) |
| Total | 150 (+20) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Research | x1 x3 x10 x30 x100
| ||||||||
Last updated: Update 29.10 (2021-03-19)
Patch History[]
Update 25.7 (2019-08-29)
- Reduced Foundry rush cost from 25 to 5 for Fieldron as per https://forums.warframe.com/topic/1112632-tenno-reinforcements-update-2540/
| Research • Clan • Dojo | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
- ↑ Chance to roll item within drop table
- ↑ Amount rewarded on successful roll
- ↑ (Quantity × Chance)
- ↑ Chance to roll drop table
- ↑ Chance to roll item within drop table
- ↑ (Drop Table Chance × Item Chance)
- ↑ (1 / Chance), see WARFRAME Wiki:Expected & Nearly Guaranteed Numbers for more details
- ↑ Amount rewarded on successful roll
- ↑ (Quantity × Chance), average item quantity on a roll attempt (successful or not)