As per this dnd Dwarven Fortitude 5E Feat you have a blood of dwarf heroes flowing via your veins. However you can get the below mentioned benefits:
- You can enhance your constitution score by at least 1, to a maximum of 20.
- Whenever you take dodge action in a combat, you can also spend a hit die for healing yourself. Roll a die, add to your Constitution modifier and also regain the number of hit points which are almost equal to the total (it is minimum of 1).
You may want to read about infernal constitution 5e feat.