Beast Spirits

You reach out to the Animal Spirits of the Beastlands and form a Pact with one of them.

Sturdy Body

Your Patron bestows upon you the study body as strong as a Beast's Hide. Your AC becomes 13 + your Con Modifier.

Primal Attacks.

You gain the use of the cantrip Primal Savagery.
At level 3 your unarmed strikes do 1d6 + Strength or Dex modifier of your choice in Slashing damage as you grow a set of claws.

Savage Form

At level 6, you can spend a spell slot to take on a more Beast like form, your claws get longer, hide getting thicker, and senses heightening.

Your AC raises by +2
Your unarmed strikes do 1d8 instead of 1d6.
You can use the search action as a bonus action to find a hidden enemy, and gain advantage on any perception checks made with scent or hearing.

Beast Bond

At level 10, you can cast the spells Animal Friendship and Beast Bond at will, and when you make a ability check against a Beast you can add 1d8 to the roll.

Beast Mastery

At level 14, you can temporarily take on the form of your Beast Patron.
When you enter your Savage Form, it takes the form of an aura around you in the shape of your Patron, enhancing your abilities further.
Your Unarmed Strikes do 1d10 and gain a reach of 10 feet, doing Force damage instead of slashing.
Your AC raises by +4
You gain Temp HP equal to your Con Modifier x 5

Expanded Spell List

The Beast Spirit lets you choose from an expanded list of spells when you learn a warlock spell. The following spells are added to the warlock spell list for you.

Beast Spirit Expanded Spells
Spell Level	Spells
1st	Animal Friendship, Hunter's Mark
2nd	Animal Messenger, Find Steed
3rd	Conjure Animals,Spirit Guardians
4th	Dominate Beast, Locate Creature
5th	Commune with Nature Ritual, Awaken