| Name | Helm of Underwater Action |
| Type | W |
| Magic item | Yes |
| Rarity | uncommon (requires attunement) |
| Text | While wearing this brass helmet, you can breathe underwater, you gain darkvision with a range of 60 feet, and you gain a swimming speed of 30 feet. Source: Ghosts of Saltmarsh p. 229, Infernal Machine Rebuild p. 94 |