Update: View the Bastion Quest guide here.
Thanks to the community, the final solution (code) has been solved! Once you have completed this last code, you may pick up Exotic Quest ‘Memento’ for Bastion Fusion Rifle from Saint-14. You must finish Saint-14 related Quests on the same character in order to get this Quest.
EXPLORING THE CORRIDORS OF TIME (PART II)
“You’ve saved Saint-14, but you’ve left the Corridors of Time largely unexplored. See what you can find.”
Recommended Power: 800 | Requires Season of Dawn Season Pass
Savior of the Past Emblem Reward (view more details below)