Primary Obstruct: Drop sources, locations, and probabilities

Missions with a Chance to Get Primary Obstruct as a Reward

Planet / Mission	Type	Probability
Duviri / Endless: Repeated Rewards	Hard	9.09
Duviri / Endless: Tier 1	Hard	4.43
Duviri / Endless: Tier 3	Hard	4.43
Duviri / Endless: Tier 4	Hard	4.43

Other items:
Primary Dexterity - Arcane Primary Charger - Primary Blight
Primary Frostbite - Primary Exhilarate - Primary Plated Round