Slimey Island is the 14th island based on That Time I Got Reincarnated as a Slime. To unlock this map you have to spend 75T (trillion) yen at the portal in Land of Alchemy the quest giver of this island is Ramo. The star for this world is Slimey Star. Here are all the bosses and enemies in this world:
Enemies
| Name | Image | Name in anime | Health | Type |
|---|---|---|---|---|
| Orc | 
|
Unnamed Orc | 4.5T | Enemy |
| Armored Orc | 
|
Unnamed Armored Orc | 10.5T | Enemy |
| Magician | 
|
Mjurran | 30T | Enemy |
| Sandman | 
|
Clayman | 105T | Boss |
| Haraka | 
|
Yuuki Kagurazaka | 2.4Q | Boss |
| Blood | 
|
Guy Crimson | 30T | Secret Boss |