
The stars of the constellation Cancer imbue you with there power, The sign grants you and a affinity to Water.
Ability Score Increase. Increase your Charisma and Constitution scores by 1.
Water Affinity . You can speak, read and write Aquan you also learn, the cantrip shape water.
Claws of the Crab. Once per short rest, as an action you can summon spectral crab claws that deal (2d8) piecing damage and last one minute.

The stat bonuses should be charisma or constitution, also the claws of the crab should be worded better.
My grandma took this feat, unfortunately she rolled a 1 and had to make a new character.