The Warframe development team has announced that on January 29th they will be "reopening the Prime Vault" to bring back Ember and Frost. "For a limited time, Ember Prime and Frost Prime Return from the Vault. Get these two Prime Warframes plus high-demand Vaulted Prime Accessories, Prime Weapons and discounted Platinum before they're gone again on March 26th," the site reads.
FIRE & ICE DUAL PRIME PACK FEATURES: · 1200 Platinum · Ember Prime · Frost Prime · Latron Prime · Reaper Prime · Sicarus Prime · Glaive Prime · Misa Prime Syandana · Pyra Prime Syandana · Titan Extractor Prime + Blueprint · Prime Glyphs
EMBER PRIME ACCESSORY PACK FEATURES: · 200 Platinum · Pyra Prime Syandana · Titan Extractor Prime + Blueprint
FROST PRIME ACCESSORY PACK FEATURES: · 200 Platinum · Misa Prime Syandana · Titan Extractor Prime + Blueprint
Players on all platforms will be able to get hold of the Primes and packages listed above.
Learn more on the Warframe site.