| Name ▲ | Type | CR | Version | Book |
|---|---|---|---|---|
| Reduced-Threat Owlbear | Monstrosity | 3 | 2014 | Tales from the Yawning Portal: Against the Giants |
| Reduced-Threat Peryton | Monstrosity | 2 | 2014 | Tales from the Yawning Portal: Against the Giants |
| Reduced-Threat Remorhaz | Monstrosity | 11 | 2014 | Tales from the Yawning Portal: Against the Giants |
| Reduced-Threat Stone Golem | Construct | 10 | 2014 | Tales from the Yawning Portal: Against the Giants |
| Reduced-Threat Vrock | Fiend | 6 | 2014 | Tales from the Yawning Portal: Against the Giants |
| Reduced-Threat Wight | Undead | 3 | 2014 | Tales from the Yawning Portal: Against the Giants |
| Reduced-Threat Wyvern | Dragon | 6 | 2014 | Tales from the Yawning Portal: Against the Giants |
| Reef Shark | Beast | 1/2 | 2014/2024 | Multiple Books (MM, XMM) |
| Reflection | Fey | 1/2 | 2014 | Tasha's Cauldron of Everything |
| Refraction of Ilvaash | Aberration | 15 | 2014 | Phandelver and Below: The Shattered Obelisk |