Talk:Frost Prime (Warframe)/@comment-216.36.173.248-20130506003742/@comment-69.51.218.34-20130506014508

"- It's not too late to participate... if you haven't participated yet, you still have until Monday 12pm EDT to kill some Fusion Moas in Europa and get the reward when the event ends! Not unlocked? Join a friend who has it unlocked!"

Directly from the forums.