How to get Nekros Prime Blueprint in Warframe?

Nekros 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 Nekros Prime Blueprint

Other items:
Nekros Shroud Helmet Blueprint - Nekros Raknis Helmet Blueprint - Nekros Systems Blueprint
Nekros Prime Chassis Blueprint - Nekros Prime Systems Blueprint - Nekros Prime Neuroptics Blueprint