Kill all enemies in the Maelstrom hideout in the side job “Pisces” without being detected
Complete the main story through “Nocturne OP55N1”
At the Embers rooftop point of no return, wait for Johnny’s dialogue option
Choose the hidden dialogue path with Johnny
Ensure Johnny’s relationship percentage is high enough, ideally 70% or more
Select the option to let Johnny and Rogue take Arasaka Tower alone
Finish the secret ending assault successfully
Complete the ending sequence to unlock the achievement/trophy “Don’t Fear the Reaper”