Head north, you'll find a path leading to the snow plain in the north. Follow the path until you see the cave in the middle, to the eastern part.
Bestiary:
- C-019: 300 gil - Chest in the top-left corner.
- C-020: 350 gil - Split path near the exit.
Take the stairs (A) to B2. Then follow the path to B3 (B).
- C-021: Antarctic Wind - Follow the top path to the dead end in the west.
Backtrack and follow a path to north exit (C) to B2.
- C-022: Battle Axe - Follow the path, first chest.
- C-023: Antidote - Follow the path, second chest.
- C-024: Mythril Mace (Monster) - Follow the path, third chest. Monsters: Grenade x6
Backtrack to B3 (C). Follow the path to the south exit (D) to B4.
- C-025: Potion - Top-left corner.
- C-026: Blizzard Tome - Top corner.
- C-027: Potion - Bottom corner.
- C-028: Mythril Spear - Bottom-right corner.
Proceed to the stairs (E) in the top-right corner to B5.
- C-029: Mythril Shield - Top-left corner.
- C-030: Ancient Sword (Monster) - Bottom-left corner. Monsters: Ghoul x3, Shadow x3
Proceed to the room (F) in the bottom right corner.
Inside, talk to the standstill Giant Beaver at the top.
Choose "Ask -> Goddess's Bell".
Then the exit (G) appear in the wall to your right.
Follow the path until you reach the boss guarding the entrance.
- C-031: Silver Cuirass - Bottom-right corner.
Use "Cure" to heal everyone, then make a quick save.
Boss: Adamantoise
Physical attack is pretty much deal zero damage. Its only weakness is ice, so everyone uses "Blizzard" to kill it quickly.
Pick up the "Goddess's Bell" then a stair appears.
Enter the top door, you'll be back on B1.
Remove all equipment Josef, then proceed to long stairs.
Make another quick save and prepare for a boss fight.
Exit the cave.