The Cavern of Earth has 24 treasure chests across four floors. Visit during the Melmond chapter to get the Star Ruby key item, Coral Sword, and Mythril Shield. Watch out for monster-in-a-box encounters!

1,975 Gil
B1 - Northern room along northern path (monster inside!)

880 Gil
B1 - Southwest room, left chest

Potion
B1 - Southwest room, right chest (monster inside!)

Antidote
B1 - Southeast room, left chest (monster inside!)

795 Gil
B1 - Southeast room, right chest (monster inside!)

Coral Sword
B2 - Northeast room, left chest

Tent
B2 - Northeast room, middle chest

330 Gil
B2 - Northeast room, right chest

5,000 Gil
B2 - Southwest room, left chest

Leather Shield
B2 - Southwest room, middle chest

575 Gil
B2 - Southwest room, right chest

Sleeping Bag
B3 - Southeast room

Gold Needle
B3 - East room (monster inside!)

3,400 Gil
B3 - Northern room along main path

1,020 Gil
B3 - Small western room (monster inside!)

Star Ruby
B3 - Vampire room, left side

1,455 Gil
B4 - Northern room, bottom left chest (monsters inside!)

5,450 Gil
B4 - Northern room, leftmost chest (monsters inside!)

1,520 Gil
B4 - Northern room, second from left

Staff
B4 - Northern room, third from left (monsters inside!)

3,400 Gil
B4 - Northern room, second from right (monsters inside!)

Tent
B4 - Southwest room, leftmost chest (monsters inside!)

1,250 Gil
B4 - Southwest room, middle chest (monsters inside!)

Mythril Shield
B4 - Southwest room, right chest (monsters inside!)
| Item | Location | Image |
|---|---|---|
1,975 Gil | B1 - Northern room along northern path (monster inside!) | |
880 Gil | B1 - Southwest room, left chest | |
Potion | B1 - Southwest room, right chest (monster inside!) | |
Antidote | B1 - Southeast room, left chest (monster inside!) | |
795 Gil | B1 - Southeast room, right chest (monster inside!) | |
Coral Sword | B2 - Northeast room, left chest | |
Tent | B2 - Northeast room, middle chest | |
330 Gil | B2 - Northeast room, right chest | |
5,000 Gil | B2 - Southwest room, left chest | |
Leather Shield | B2 - Southwest room, middle chest | |
575 Gil | B2 - Southwest room, right chest | |
Sleeping Bag | B3 - Southeast room | |
Gold Needle | B3 - East room (monster inside!) | |
3,400 Gil | B3 - Northern room along main path | |
1,020 Gil | B3 - Small western room (monster inside!) | |
Star Ruby | B3 - Vampire room, left side | |
1,455 Gil | B4 - Northern room, bottom left chest (monsters inside!) | |
5,450 Gil | B4 - Northern room, leftmost chest (monsters inside!) | |
1,520 Gil | B4 - Northern room, second from left | |
Staff | B4 - Northern room, third from left (monsters inside!) | |
3,400 Gil | B4 - Northern room, second from right (monsters inside!) | |
Tent | B4 - Southwest room, leftmost chest (monsters inside!) | |
1,250 Gil | B4 - Southwest room, middle chest (monsters inside!) | |
Mythril Shield | B4 - Southwest room, right chest (monsters inside!) |