| Category | Depressions |
| Continent | Straiden |
| Region | Dechôz |
| Map | Tongue Cavity Depression |
The Tongue Cavity was forged during the Creation War. When the Nine-Tongued Worm sundered Sadullu, the landmass situated to the north also endured calamity. Straiden was fractured by this cataclysm, resulting in a vast depression spanning the entirety of the continent.