Step 1: go to the tower Step 2: jump off the tower to simulate death Step 3: continue step 2 for about 40 minutes Step 4: go to your respectful vanguard vendor Step 5: buy a ghost shell Step 6: dismantle for 3 marks the end edit: Step 4 can be replaced with Xur if needed Step 5 can be replaced with either three of coins or a class item if needed