Now that Ancients' Maze is only accessible with The Invincible. Again, go back to Ancient Ruins to pick it up.
Chests (15):
- Elixir
- Crystal Shield
- Lilith's Kiss
- Crystal Mail
- White Musk
- Crystal Gloves
- Crystal Helm
- Break Blade
- Phoenix Down (x2)
- Chocobo's Wrath
- Dual Haken
- Protect Ring
- Holy Lance
- Hellish Claws
Jobs:
- Black Belt
- Devout
- Magus
- Summoner
- Sage
- Ninja
- First go to (1), kill Titan for the final set of new jobs.
- Follow the maps, collect all chests.
- At the end is the entrance to the Crystal Tower.
if you plan for a perfect game with max HP, I highly suggest you that you go back and grind a few more level job/character levels before entering Eureka.