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 can't discern color in darkness, only shades of gray.

You can use an action to polymorph into a small goblin or back to your true form. Other than your size and speed, your statistics are the same in each form, including but not limited to hit points and armor class. You choose wether your equipment falls to the ground in your space, merges into your goblin or barghest form, or is worn by it. Your equipment doesn't change size or shape to match the other form, and any equipment that the other form can't wear must either fall to the ground or merge with it. Equipment that merges with the form does have an effect while merged.

You can choose one of the following spell and cast it at will: levitate, minor illusion, pass without trace.

In your true form you can use your claws to do an unarmed attack dealing 1d4 slashing damage.

You have proficiency in the perception skill.

You are resistant to acid and poison damage. You have advantage on saving throws against being poisoned.

Your dexterity score increases by 2 and your constitution score increases by 1.

You know Common, Goblin and either Infernal or Abissal

A barghest reaches adulthood at age 8 and lives up to 60 years.

The alignment of a barghest tends to be evil.

Your walking speed depends on the form you are currently in. In your true barghest form you have a base walking speed of 40 feet.
In your goblin form, your speed is 25 feet.

In your barghest form you are considered a large creature. In goblin form your size is small.
As a barghest you are about 8 feet tall and weigh 400 pounds. In goblin form you are 3 to 4 feet tall and weigh between 40 and 80 pounds.