Tales from the Borderlands

Story related, cannot be missed.

This trophy will unlock once you have acquired the upgrade for Gortys and you are then attacked by Vallory. Before this point you will swap between Rhys and Fiona as you each work towards obtaining the upgrade. There is a puzzle in which you must perform with Rhys where you need to match up icons a screen. The following screenshot shows which icons need to be matched together in order to solve this puzzle sequence: