You have advantage on saving throws against poison, and you have resistance against poison damage. Depending on the specific subrace, you also gain one of the following:
Sub-race | Resistance | Advantage |
---|---|---|
City Dwarf | Piercing damage | Saving throws against illusions and against being Charmed |
Duergar | Magic damage | Saving throws against illusions and against being Paralyzed. |
Hill Dwarf | Slashing damage | Saving throws against being Stunned and against being Paralyzed. |
Mountain Dwarf | Bludgeoning damage | Saving throws against being Stunned and against being Restrained. |