SRD & OGL creatures — full stat blocks. Each entry links its source.
| Name | Type | Size | CR | Source |
|---|---|---|---|---|
| Krake Spawn | Monstrosity | Huge | 14 | Tome of Beasts 2023 |
| Krake Spawn | Monstrosity | Huge | 9 | Tome of Beasts |
| Kraken | Monstrosity | gargantuan | 23 | Black Flag SRD |
| Kraken | Monstrosity | Gargantuan | 23 | 5e Core Rules |
| Kraken | Monstrosity | Gargantuan | 25 | Level Up Advanced 5e Monstrous Menagerie |
| Kryt | Humanoid | Medium | 5 | Creature Codex |
| Külmking | Undead | Large | 9 | Creature Codex |
| Kuunganisha | Fiend | Small | 2 | Creature Codex |
| Labyrinth Keeper | Monstrosity | Large | 5 | Creature Codex |
| Lacedon | Undead | Medium | 1 | Level Up Advanced 5e Monstrous Menagerie |
| Lady in White | Undead | Medium | 2 | Creature Codex |
| Laestrigonian Giant | Giant | Large | 4 | Creature Codex |
| Lake Troll | Giant | Large | 7 | Tome of Beasts 2023 |
| Lake Troll | Giant | Large | 7 | Tome of Beasts |
| Lakescourge Lotus | Undead | Medium | 5 | Tome of Beasts 3 |
| Lamassu | Celestial | Large | 10 | Creature Codex |
| Lambent Witchfyre | Aberration | Large | 7 | Tome of Beasts 2 |
| Lamia | Monstrosity | Large | 4 | 5e Core Rules |
| Lamia | Monstrosity | Large | 4 | Level Up Advanced 5e Monstrous Menagerie |
| Lamia | Monstrosity | large | 4 | Black Flag SRD |
| Lantern Dragonette | Dragon | Tiny | 1/2 | Tome of Beasts 2023 |
| Lantern Dragonette | Dragon | Tiny | 1/2 | Tome of Beasts |
| Lantern Hagfish | Aberration | small | 1/8 | Black Flag SRD |
| Lava Keeper | Elemental | Huge | 18 | Tome of Beasts 2 |
| Lazavik | Fey | Tiny | 3 | Tome of Beasts 2 |
| Leashed Lesion | Aberration | Large | 3 | Tome of Beasts 3 |
| Lemure | Fiend | Medium | 1/8 | Level Up Advanced 5e Monstrous Menagerie |
| Lemure | Fiend | medium | 1/4 | Black Flag SRD |
| Lemure | Fiend | Medium | 0 | 5e Core Rules |
| Lemure Band | Fiend | Large | 2 | Level Up Advanced 5e Monstrous Menagerie |
| Lemurfolk | Humanoid | Small | 1/4 | Tome of Beasts 2023 |
| Lemurfolk | Humanoid | Small | 1/4 | Tome of Beasts |
| Lemurfolk Greyfur | Humanoid | Small | 4 | Tome of Beasts |
| Leshy | Monstrosity | Medium | 1 | Tome of Beasts 2023 |
| Leshy | Monstrosity | Medium | 1 | Tome of Beasts |
| Lesser Lunarchidna | Aberration | Medium | 2 | Tome of Beasts 2 |
| Lesser Scrag | Monstrosity | Medium | 2 | Creature Codex |
| Ley Wanderer | Aberration | Huge | 7 | Tome of Beasts 3 |
| Lich | Undead | Medium | 21 | 5e Core Rules |
| Lich | Undead | Medium | 21 | Level Up Advanced 5e Monstrous Menagerie |
| Lich | Undead | medium | 21 | Black Flag SRD |
| Lich Hound | Undead | Medium | 4 | Tome of Beasts 2023 |
| Lich Hound | Undead | Medium | 4 | Tome of Beasts |
| Beast |
| Tiny |
| 0 |
| Tome of Beasts 2 |
| Beast |
| Medium |
| 2 |
| Tome of Beasts 2 |
| Beast |
| Tiny |
| 1/8 |
| Creature Codex |
| Construct |
| Small |
| 1/2 |
| Tome of Beasts |
| Construct |
| Small |
| 1/2 |
| Tome of Beasts 2023 |