| Name | Map Tool Token Link | Family | Type | Size | CR |
|---|---|---|---|---|---|
| Aboleth | |
Aboleth | Aberration | Huge | 7 |
| Choker | |
Choker | Aberration | Small | 2 |
| Chuul | |
Chuul | Aberration | Large | 7 |
| Cloaker | |
Cloaker | Aberration | Large | 5 |
| Dark Naga | |
Naga | Aberration | Large | 8 |
| Drider | |
Drider | Aberration | Large | 7 |
| Ettercap | |
Ettercap | Aberration | Medium | 3 |
| Froghemoth | RPTok | Froghemoth | Aberration | Huge | 13 |
| Gibbering Mouther | |
Gibbering Mouther | Aberration | Medium | 5 |
| Guardian Naga | |
Naga | Aberration | Large | 10 |
| Intellect Devourer | |
Intellect Devourer | Aberration | Small | 8 |
| Mimic | |
Mimic | Aberration | Medium | 4 |
| Neothelid | RPTok | Neothelid | Aberration | Gargantuan | 15 |
| Otyugh | |
Otyugh | Aberration | Large | 4 |
| Roper | |
Roper | Aberration | Large | 12 |
| Rust Monster | |
Rust Monster | Aberration | Medium | 3 |
| Spirit Naga | RPTok | Naga | Aberration | Large | 9 |
| Water Naga | RPTok | Naga | Aberration | Large | 7 |
| Will-o'-Wisp | RPTok | Will-o'-Wisp | Aberration | Small | 6 |