How to get Ember Prime Blueprint in Warframe?

Ember 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 Ember Prime Blueprint

Other items:
Ember Prime Neuroptics Blueprint - Ember Backdraft Helmet Blueprint - Ember Chassis Blueprint
Ember Prime Systems Blueprint - Ember Prime Chassis Blueprint - Ember Phoenix Helmet Blueprint