How to get Hildryn Prime Blueprint in Warframe?

Hildryn Prime Blueprint is an item dropped from Void relics.
You can find the list of relics below, and click on the links to see how to get them.

Relics dropping Hildryn Prime Blueprint

Other items:
Hildryn Asuron Helmet Blueprint - Hildryn Neuroptics Blueprint - Hildryn Chassis Blueprint
Hildryn Prime Neuroptics Blueprint - Hildryn Systems Blueprint - Hildryn Prime Systems Blueprint