The expulsion of Ember Prime and her arsenal from the Void brings in the all new Trinity Prime along with her new prime equipment.
You can find your way to the Prime Access here
Blessing Tier: 3990 Platinum, Dual Kamas Prime, Trinity Prime, Kavasa Kubrow Prime Collar/Gene Masking Kit, Exclusive Trinity Prime Profile Icons, Naviga Prime Sugatra, Kavasa Kubrow Prime Armor, 90 Day Affinity & Credit Booster. Costs $140.
The new prime parts can be found in the following Void missions.
Orokin Derelict Defense
Tier 2: Sabotage, Survival
Tier 3: Capture, Mobile Defense, Survival
Tier 4: Defense, Exterminate, Mobile Defense, Sabotage