246 monsters in this familia.
| Name | Type | Size | CR | Source |
|---|---|---|---|---|
| Skin Bat | Undead | Small | 1/2 | Tome of Beasts |
| Skin Bat | Undead | Small | 1/2 | Tome of Beasts 2023 |
| Skull Lantern | Undead | Tiny | 1/4 | Creature Codex |
| Spectral Guardian | Undead | Medium | 6 | Tome of Beasts 2023 |
| Spectral Guardian | Undead | Medium | 6 | Tome of Beasts |
| Spirit Lamp | Undead | Medium | 7 | Creature Codex |
| Swampgas Shade | Undead | Medium | 2 | Tome of Beasts 3 |
| Tar Ghoul | Undead | Medium | 4 | Creature Codex |
| The Comptroller | undead | Large | 16 | FTTHelper Original Content |
| The Drowned Muster | undead | Gargantuan | 14 | FTTHelper Original Content |
| The Purser | undead | Medium | 12 | FTTHelper Original Content |
| Truant Devourer | Undead | Medium | 9 | Tome of Beasts 3 |
| Tulpa | Undead | Medium | 4 | Creature Codex |
| Tveirherjar | Undead | Medium | 7 | Creature Codex |
| Undead Phoenix | Undead | Huge | 12 | Creature Codex |
| Underworld Sentinel | Undead | Huge | 10 | Tome of Beasts 3 |
| Unhatched | Undead | Small | 4 | Creature Codex |
| Vaettir | Undead | Medium | 4 | Tome of Beasts |
| Vættir | Undead | Medium | 4 | Tome of Beasts 2023 |
| Vampiric Knight | Undead | Medium | 11 | Creature Codex |
| Vampiric Vanguard | Undead | Medium | 7 | Tome of Beasts 3 |
| Venomous Mummy | Undead | Medium | 3 | Tome of Beasts |
| Venomous Mummy | Undead | Medium | 3 | Tome of Beasts 2023 |
| Veteran Swordbreaker Skeleton | Undead | Medium | 3 | Tome of Beasts 2 |
| Vine Troll Skeleton | Undead | Large | 9 | Tome of Beasts 2023 |
| Virtuoso Lich | Undead | Medium | 12 | Tome of Beasts 2 |
| Virtuoso Lich | Undead | Medium | 12 | Black Flag SRD |
| Walled Horror | Undead | Large | 7 | Tome of Beasts 2 |
| War Horse Skeleton | Undead | Large | 1/2 | Black Flag SRD |
| Warhorse Skeleton | Undead | Large | 1/2 | 5e Core Rules |
| Web Zombie | Undead | Medium | 1 | Tome of Beasts 2 |
| Wight | Undead | Medium | 3 | Black Flag SRD |
| Wight | Undead | Medium | 3 | Level Up Advanced 5e Monstrous Menagerie |
| Wight | Undead | Medium | 3 | 5e Core Rules |
| Will-o-Wisp | Undead | Small | 2 | Level Up Advanced 5e Monstrous Menagerie |
| Will-o'-Wisp | Undead | Tiny | 2 | Black Flag SRD |
| Will-o'-Wisp | Undead | Tiny | 2 | 5e Core Rules |
| Willowhaunt | Undead | Huge | 5 | Tome of Beasts 2 |
| Wind Eater | Undead | Medium | 2 | Creature Codex |
| Windy Wailer | Undead | Large | 5 | Tome of Beasts 2 |
| Winterghast | Undead | Medium | 4 | Tome of Beasts 2 |
| Wolf Spirit Swarm | Undead | Large | 6 | Tome of Beasts |
| Wormhearted Suffragan | Undead | Medium | 5 | Tome of Beasts 2023 |
| Wormhearted Suffragan | Undead | Medium | 5 | Tome of Beasts |
| Young Blue Dragon Zombie | Undead | Large | 10 | Tome of Beasts 2 |
| Young Red Dragon Zombie | Undead | Large | 11 | Level Up Advanced 5e Monstrous Menagerie |
| Yowler | Undead | Tiny | 1/2 | Tome of Beasts 2 |
| Zombie | Undead | Medium | 1/4 | Black Flag SRD |