WarframeAlchemyLab ES
How to farm it? See the full plan

Stats

Rarity
Rare
Type
Primary Arcane

Where it drops

Duviri / Endless: Repeated Rewards (Hard) Hard 9.09% Duviri / Endless: Tier 1 (Hard) Hard 4.43% Duviri / Endless: Tier 3 (Hard) Hard 4.43% Duviri / Endless: Tier 4 (Hard) Hard 4.43%

FAQ

Where does Primary Obstruct drop?

The best source of Primary Obstruct is Endless: Repeated Rewards (Hard) (Duviri), at 9.09% per reward according to Digital Extremes' official drop tables.

Can Primary Obstruct be traded?

Yes, Primary Obstruct can be traded between players.