Azure Rainforest, the fourth Stratum of the Yggdrasil Labyrinth is a sandy and dry, appropriately named Sandy Barrens. There is little greenery here, and the few that can be found are in shades of brown, orange and yellow. It is here where the Forest Folk reside.
|B16F||Flamerat, Golden Deer, Hexroot, Black Boar||Medusa Tree||--||Sand Twig, Dried Peachtree, Temari Katahiba||--||3|
|B17F||Huge Moa, Sandfish, Black Boar, Golden Deer, Hexroot, Flamerat||Medusa Tree||Hard Shard, Steel Chip, Cullinan||--||--||2|
|B18F||Forest Soldier, Forest Mystic, Forest Druid, Golden Deer, Hexroot, Huge Moa, Pixie, Black Boar, Sandfish, Forest Warrior||Forest Demon, Forest Ogre, World Bud*, Diabolix**||--||--||Sap Wine, Oleander, Cordyceps||0|
|B19F||Death Mantis, Forest Warrior, Faerie, Forest Mystic, Forest Druid||Diabolix, Cruella||Hard Shard, Steel Chip, Cullinan||Sand Twig, Dried Peachtree, Temari Katahiba||Sap Wine, Oleander, Cordyceps||3|
|B20F||--||Iwaoropenelep, Diabolix, Cruella, Forest Demon, Forest Ogre||--||--||--||2|
*The World Bud acts akin to an FOE and can be seen on the map. It is not as dangerous, and instead is difficult to chase down.
**The Diabolix on B18F only shows up during the quest "Reversal of the poles".
- In order to get to the secret area beyond the shortcut on B16F, a quest is needed.