# Necklace of Adaptation *Wondrous item, uncommon (requires attunement)*  - **Weight**: 1.0 lbs. While wearing this necklace, you can breathe normally in any environment, and you have [Advantage](3-Mechanics/CLI/rules/variant-rules/advantage-xphb.md) on saving throws made to avoid or end the [Poisoned](3-Mechanics/CLI/rules/conditions.md#Poisoned) condition. *Source: Dungeon Master's Guide (2024) p. 280. Available in the Free Rules (2024)*