Elemental Constitution (Water)

Elemental power runs strong in you, unlocking a resilience akin to that possessed by some elementals. You gain the following benefits:

• Increase your Constitution score by 1, to a maximum of 20.
• You have resistance to cold damage and poison damage. 
• You have advantage on saving throws against poison. 
• You can cast the frostbite cantrip. Constitution is your spell casting ability for this spell.