Ferros is a common resource obtainable by mining red ore veins in the Plains of Eidolon. Its main use is in crafting Fersteel Alloy.
Drop Locations[]
Mission Drop Tables
| Mission Type | Source | Rotations or Drop Table |
Chance[1] | Quantity[2] | Avg. per roll[3] | Star Chart Nodes |
|---|
Enemy Drop Tables
| Enemy | Drop Table Chance[4] | Item Chance[5] | Chance[6] | Expected Kills[7] | Quantity[8] | Avg. per roll attempt[9] |
|---|---|---|---|---|---|---|
| Narmer Thumper | 400% | 4.17% | 16.68% | 6 | 1 | 0.1668 |
| Narmer Thumper Bull | 600% | 4.17% | 25.02% | 4 | 1 | 0.2502 |
| Narmer Thumper Doma | 800% | 4.17% | 33.36% | 3 | 1 | 0.3336 |
| Tusk Thumper | 400% | 4.17% | 16.68% | 6 | 1 | 0.1668 |
| Tusk Thumper Bull | 600% | 4.17% | 25.02% | 4 | 1 | 0.2502 |
| Tusk Thumper Doma | 800% | 4.17% | 33.36% | 3 | 1 | 0.3336 |
Sourced from the official drop table repository. See Module:DropTables/data to edit on the wiki.
Blueprints Requiring Ferros[]
| Blueprint | Type | Quantity |
|---|---|---|
 Devolved Namalon x20 |
Resource | 20 |
 Fersteel Alloy x20 |
Resource | 20 |
| Total | 40 |
|---|
Last updated: Hotfix 29.5.8 (2020-12-11)
Trivia[]
- Based on its appearance and description, this is almost certainly an iron ore. Its name is likely an Orokin or Ostron nomenclature based in the Latin word for iron, which is "ferrum".
- ↑ 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)