Now we are back to the main quest. Your job is to take a crystal from Sealed Cave which is located south of the map (follow the map).
In the cave, there are some doors are trap doors (monsters), they give a good amount of EXP so you might want to kill them all for extra juice.
Once you reach the crystal room, take the Crystal and exit to fight a boss.
Boss: Demon Wall
Strategy: well, just kill it ASAP, Edge keep throwing Shuriken, Rydia summons Leviathan, Rosa uses buff and debuff spell, Cecil and Kain keep attacking.
After defeated the Demon Wall, backtrack all the way back to the entrance #2. Then unequip Kain before leaving because, again, he is leaving.
Item checklist:
- Bestiary (x2)
- Kotetsu
- Ether (x3)
- Hi-Potion (x2)
- Phoenix Down (x2)
- Lustrous Sword
- Light Curtain
- Fuma Shuriken
- Elixir
- Kutetsu
- Black Cowl
- Silent Bell
- Dry Ether
- X-Potion