| Name | Map Tool Token Link | Family | Type | Size | CR |
|---|---|---|---|---|---|
| Manticore | |
Manticore | Magical beast | Large | 5 |
| Marid | RPTok | Genie | Outsider | Large | 9 |
| Marilith | |
Demon | Outsider | Large | 17 |
| Mastodon Elephant | RPTok | Elephant | Animal | Huge | 9 |
| Medium Air Elemental | |
Elemental | Outsider | Medium | 3 |
| Medium Earth Elemental | |
Elemental | Outsider | Medium | 3 |
| Medium Fire Elemental | |
Elemental | Outsider | Medium | 3 |
| Medium Water Elemental | |
Elemental | Outsider | Medium | 3 |
| Medusa | |
Medusa | Monstrous humanoid | Medium | 7 |
| Mephit | RPTok | Mephit | Outsider | Small | 3 |
| Merfolk | RPTok | Merfolk | Humanoid | Medium | 1/3 |
| Mimic | |
Mimic | Aberration | Medium | 4 |
| Minotaur | |
Minotaur | Monstrous humanoid | Large | 4 |
| Mite | RPTok | Mite | Fey | Small | 1/4 |
| Mohrg | |
Mohrg | Undead | Medium | 8 |
| Monitor Lizard | |
Lizard | Animal | Medium | 2 |
| Monkey | RPTok | Familiar | Animal | Tiny | 1/4 |
| Morlock | RPTok | Morlock | Monstrous humanoid | Medium | 2 |
| Mummy | |
Mummy | Undead | Medium | 5 |