FFXIII-2 Fragment Location Guide | (#14) Delicate Crystal
Bresha Ruins (5AF) - Time Paradox Tile Trial Puzzle Guide
Down in the second set of catacombs, you'll find a strange crystal, the key to weakening Atlas. But first, some Tile Trial puzzles! Pay attention to the video to see how to cross this disappearing floor, netting yourself Fragment of Time #14 - Delicate Crystal.
Now you're ready to take down Atlas!