WarframeAlchemyLab ES
How to farm it? See the full plan Part of: Ruhang Ii

Where it drops

Saturn / Variant Team Annihilation Conclave Rot. C 3.57%

FAQ

Where does Ruhang Ii Blueprint drop?

The best source of Ruhang Ii Blueprint is Variant Team Annihilation (Saturn), at 3.57% per reward according to Digital Extremes' official drop tables.

Can Ruhang Ii Blueprint be traded?

No, Ruhang Ii Blueprint cannot be traded: you have to earn it in-game.