How to get The Sleeper Simulant Guide Part 3 (Shadow Call)

Previous Step: https://www.youtube.com/watch?v=xbfCmg2aQwE Next Step: https://www.youtube.com/watch?v=VNm64PMe7PE After 4 passcodes you get access to a new mission called Shadow Call which requires you to reach the top of the Devil's Spire (Cayde's Stash mission location) within a time limit to collect your reward, which is the IKELOS Fusion Core. How to get Sleeper Simulant Part 3 (Shadow Call)