Before you can attempt this trophy, you need to unlock the actual T.H.R.E.A.T. Room. Complete 3 missions with Magik and upgrade the forge to research level 4. Next you want to research “New Threat” and wait a day for the task to completed. The last step is to purchase the upgrade for 175 Credits in the Yard.
I highly recommend doing this after completing the main story. You need some good cards for each Hero (preferably modded) and good Combat Items that can aid you in surviving the 3 turns.
The whole point of the T.H.R.E.A.T. Room is to survive for 3 turns, and wipe out most if not all enemies every turn. You are fighting alot of Soulless. If even 4 or 5 are left alive at the end of your turn, you´ll most likely end up dead. Whenever you defeat an enemy, you get your Card Play refunded. If it´s a yellowísh Soulless you defeat, then you draw a new card. That´s why it´s important to defeat at least 1 enemy, each Card Play you use. I highly recommend using Combat Items that give Heroism and let you draw more cards. Like Overdrive Serum (Gain Heroism equal to the cost of all Heroic cards in your hand) and Utility Belt (Draw 2 cards).
Below you will find a video for each Hero. Each video include the Card Deck I use and how to survive for 3 turns.
Want to see the full trophy guide for Midnight Suns? Click here.
Click here for the full Trophy Guide for Marvel´s Midnight Suns.