How to get Phantasma Prime Stock in Warframe?

Phantasma Prime Stock 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 Phantasma Prime Stock

• Lith P6 (Rare) - Vaulted
• Meso P11 (Rare) - Vaulted
• Meso P14 (Rare) - Vaulted
• Neo P6 (Rare) - Vaulted
• Axi P6 (Rare) - Vaulted