Darkvision. You can see in dim light within 60 feet of you as if it were bright light and in darkness as if it were dim light. You discern colors in that darkness only as shades of gray.

Fey Ancestry. You have advantage on saving throws you make to avoid or end the charmed condition on yourself.

Quills. as a reaction when you are grappled you may extend your quills defensively, the grappler takes 1d4 damage and must make a constitution save DC 12 or release you.

Languages. Your character can speak, read, and write Common and Sylvan

Ability Score Increase 

The sturdy Fey Hedgehog gains +2 to Constitution and +1 to one additional Ability Score.

Fey Hedgehogs are sturdy creatures and spend a lot of time digging in the dirt, they are very difficult to poison.

advantage on saving throws against being frightened.