SRD & OGL creatures — full stat blocks. Each entry links its source.
| Name | Type | Size | CR | Source |
|---|---|---|---|---|
| Necromancer | Humanoid | Medium | 6 | Level Up Advanced 5e Monstrous Menagerie |
| Necrophage Ghast | Undead | Medium | 4 | Creature Codex |
| Necrotech Bonecage Constrictor | Undead | Huge | 9 | Tome of Beasts 3 |
| Necrotech Reaver | Undead | Huge | 6 | Tome of Beasts 3 |
| Necrotech Thunderer | Undead | Huge | 8 | Tome of Beasts 3 |
| Neophron | Fiend | Medium | 8 | Creature Codex |
| Nephirron Devil | Fiend | Huge | 16 | Tome of Beasts 2 |
| Nharyth | Aberration | Huge | 9 | Tome of Beasts 2 |
| Nian | Monstrosity | Large | 4 | Creature Codex |
| Nichny | Fey | Medium | 6 | Tome of Beasts |
| Nichny | Fey | Medium | 6 | Tome of Beasts 2023 |
| Night Hag | Fiend | Medium | 5 | 5e Core Rules |
| Night Hag | Fiend | medium | 5 | Black Flag SRD |
| Night Hag | Fey | Medium | 5 | Level Up Advanced 5e Monstrous Menagerie |
| Nightgarm | Monstrosity | Large | 6 | Tome of Beasts 2023 |
| Nightgarm | Monstrosity | Large | 6 | Tome of Beasts |
| Nightgaunt | Aberration | Large | 10 | Creature Codex |
| Nightmare | Fiend | Large | 3 | Level Up Advanced 5e Monstrous Menagerie |
| Nightmare | Fiend | Large | 3 | 5e Core Rules |
| Nightmare | Fiend | large | 3 | Black Flag SRD |
| Nihileth | Undead | Large | 13 | Tome of Beasts 2023 |
| Nihilethic Dominator | Undead | Large | 5 | Tome of Beasts 2023 |
| Nihilethic Zombie | Undead | Medium | 1 | Tome of Beasts 2023 |
| Nihilethic Zombie | Undead | Medium | 1 | Tome of Beasts |
| Nilbog | Humanoid | Small | 1 | Level Up Advanced 5e Monstrous Menagerie |
| Ningyo | Aberration | Small | 7 | Creature Codex |
| Niya-Atha Raja | Fey | Medium | 7 | Tome of Beasts 3 |
| Niya-Atha Sorcerer | Fey | Medium | 4 | Tome of Beasts 3 |
| Niya-Atha Warrior | Fey | Medium | 2 | Tome of Beasts 3 |
| Nkosi | Humanoid | Medium | 1/2 | Tome of Beasts 2023 |
| Nkosi | Humanoid | Medium | 1/2 | Tome of Beasts |
| Nkosi Pridelord | Humanoid | Medium | 4 | Tome of Beasts |
| Nkosi Pridelord | Humanoid | Medium | 4 | Tome of Beasts 2023 |
| Noble | Humanoid | Medium | 1/4 | Level Up Advanced 5e Monstrous Menagerie |
| Noble | Humanoid | Medium | 1/8 | 5e Core Rules |
| Noble | Humanoid | medium | 1/8 | Black Flag SRD |
| Noctiny | Humanoid | Medium | 2 | Tome of Beasts 2023 |
| Noctiny | Humanoid | Medium | 2 | Tome of Beasts |
| Noth-norren | Elemental | Gargantuan | 13 | Tome of Beasts 2 |
| Npc: Apostle | Humanoid | Medium | 6 | Tome of Beasts 3 |
| Npc: Atavist | Humanoid | Medium | 4 | Tome of Beasts 3 |
| Beast |
| Tiny |
| 1/4 |
| Creature Codex |
| Beast |
| Large |
| 5 |
| Tome of Beasts 2023 |
| Beast |
| Large |
| 5 |
| Tome of Beasts |
| Beast |
| Large |
| 3 |
| Tome of Beasts 2023 |
| Beast |
| Large |
| 3 |
| Tome of Beasts |
| Beast |
| Large |
| 1/2 |
| Tome of Beasts |
| Beast |
| Large |
| 1 |
| Creature Codex |