How to get Helios Prime Cerebrum in Warframe?

Helios Prime Cerebrum 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 Helios Prime Cerebrum

• Lith H1 (Rare) - Vaulted
• Lith H2 (Rare) - Vaulted
• Meso H1 (Rare) - Vaulted
• Axi H1 (Rare) - Vaulted
• Axi H2 (Rare) - Vaulted
• Axi H5 (Rare) - Vaulted