As for the rest of my guides I will try to make them as fast and to the point as possible.
*** Spoiler - click to reveal ***Dialog in a car with Avesta, where she questions if Waller is all good.
Return to The Pact hideout with Avesta, Examine the C4 in the foreground, go up the stairs and take the liminial key on the floor and open the capsule
After some chatting about what Waller is up to. Go upstairs and open the door
End of Short Chapter