SRD & OGL creatures — full stat blocks. Each entry links its source.
| Name | Type | Size | CR | Source |
|---|---|---|---|---|
| Moss Lurker | Humanoid | Small | 1 | Tome of Beasts 2023 |
| Mountain Dryad | Fey | Huge | 11 | Tome of Beasts 2 |
| Mountain Dwarf Defender | Humanoid | Medium | 3 | Level Up Advanced 5e Monstrous Menagerie |
| Mountain Dwarf Lord | Humanoid | Medium | 14 | Level Up Advanced 5e Monstrous Menagerie |
| Mountain Dwarf Soldier | Humanoid | Medium | 1/2 | Level Up Advanced 5e Monstrous Menagerie |
| Mountain Giant | Giant | Gargantuan | 21 | Creature Codex |
| Mountain Nymph | Fey | Medium | 6 | Tome of Beasts 2 |
| Mountain Strider | Monstrosity | Large | 1 | Tome of Beasts 2 |
| Mudmutt | Monstrosity | Large | 5 | Tome of Beasts 3 |
| Mummy | Undead | medium | 3 | Black Flag SRD |
| Mummy | Undead | Medium | 3 | 5e Core Rules |
| Mummy | Undead | Medium | 3 | Level Up Advanced 5e Monstrous Menagerie |
| Mummy Lord | Undead | medium | 15 | Black Flag SRD |
| Mummy Lord | Undead | Medium | 15 | 5e Core Rules |
| Mummy Lord | Undead | Medium | 15 | Level Up Advanced 5e Monstrous Menagerie |
| Mummy, Peat | Undead | Medium | 5 | Tome of Beasts 3 |
| Muraenid | Monstrosity | Large | 2 | Tome of Beasts 3 |
| Murgrik | Aberration | Large | 9 | Tome of Beasts 2 |
| Murmuring Worm | Aberration | Huge | 12 | Level Up Advanced 5e Monstrous Menagerie |
| Mycolid Commoner | Plant | small | 1/2 | Black Flag SRD |
| Mycolid Spore Lord | Plant | medium | 3 | Black Flag SRD |
| Mydnari | Humanoid | Medium | 1/2 | Tome of Beasts 2 |
| Myling | Undead | Small | 2 | Tome of Beasts 2023 |
| Myling | Undead | Small | 2 | Tome of Beasts |
| Myrmex | Elemental | Medium | 5 | Tome of Beasts 3 |
| Myrmex Speaker | Elemental | Large | 9 | Tome of Beasts 3 |
| Myrmex, Young | Elemental | Small | 1 | Tome of Beasts 3 |
| Mystic | Humanoid | Medium | 3 | Tome of Beasts 2 |
| Nachzehrer | Undead | Medium | 8 | Creature Codex |
| Naiad | Fey | Medium | 1 | Level Up Advanced 5e Monstrous Menagerie |
| Naina | Dragon | Large | 11 | Tome of Beasts 2023 |
| Naina | Dragon | Large | 11 | Tome of Beasts |
| Naizu-Ha | Fey | Small | 6 | Tome of Beasts 2 |
| Nalfeshnee | Fiend | Large | 13 | 5e Core Rules |
| Nalfeshnee | Fiend | large | 13 | Black Flag SRD |
| Nalfeshnee | Fiend | Large | 13 | Level Up Advanced 5e Monstrous Menagerie |
| Nalusa Falaya | Aberration | Medium | 1/2 | Creature Codex |
| Nariphon | Plant | Huge | 13 | Tome of Beasts 3 |
| Narshark | Monstrosity | Large | 1/2 | Tome of Beasts 2 |
| Nautiloid | Elemental | Gargantuan | 13 | Tome of Beasts 3 |
| Necrohydra | Undead | Huge | 9 | Tome of Beasts 2023 |
| Construct |
| Small |
| 1 |
| Creature Codex |
| Beast |
| Medium |
| 1/8 |
| Level Up Advanced 5e Monstrous Menagerie |
| Beast |
| medium |
| 1/8 |
| Black Flag SRD |
| Beast |
| Medium |
| 1/8 |
| 5e Core Rules |
| Beast |
| Tiny |
| 1/4 |
| Tome of Beasts 3 |
| Beast |
| Medium |
| 2 |
| Tome of Beasts 3 |
| Construct |
| Large |
| 9 |
| Creature Codex |