You are a normal person but when you fall asleep a wolf materializes out of you and your body stays sleeping but your consciousness goes with the wolf, until you go back into your body then and only then are able to wake up.

Lv1 only basic commands to control your wolf self

Lv4 You have to make an intelligence check to see if you can do anything more than basic commands. At a disadvantage 

Lv8 You have to make an intelligence check to see if you can do anything more than basic commands.

Lv12 You can now control your wolf self.

Any attacks on the body apply to the wolf and vice versa.

As a wolf your movement is 40

As a person you have the ability to heal others (the more wolf walkers doing the healing the better it gets exponentially.)

As a wolf you can't talk or do anything requiring human body. All your belongings stay with the body. Your only able to hear people and communicate with the animals found in forests.

Anyone who doesn't know of this ability will just think your a dangerous wolf. Those who do will be very wary and fearful or think of you as a sort of forest protector.

Affectionately named "Walfie" by our loving community and nicknamed "The boy who sleeps" by me.

As a person you have the ability to heal others by holding to their wound (the more wolf walkers doing the healing the better it gets exponentially.)

 Command wolf is granted at lvl picked by dm

Wolves will do whatever you say so long as they can still hear you

 As a wolf any other wolves will gravitate towards you and will form an obedient pack. Level 4 grants blood bond to your wolves

When your level 10 the wolves will obey you while a person. Your pack will gain Speak with Master and Blood Bond.

Blood Bond: The familiar is advantaged on all attacks, ability or skill checks, and saves, if it witnesses its master threatened or harmed. This bonus lasts as long as the threat is immediate and apparent

Speak with Master: The familiar and master can communicate verbally as if they were using a common language. Other creatures do not understand the communication without magical help.

At lv__ you can howl and call your wolves from nearby woods or earshot. If your pack is smaller than 15, roll a d6 to have that many wolves join your call.

Villagers are in wary or in wonder of wolfwalkers. If you act out of normal standards they will shun you from the village. If they see the wolf they will attack you so far as the edge of the village. If they are in wonder this doesn't apply.

Languages

You can speak Common and converse with beasts.

Wolfwalkers have lived secluded from society for ages and have forgotten the usefulness of reading or writing and won't know of modern words for objects they have not yet experienced, as a Human you are capable of learning the languages of other peoples you deal with, to read, write and obscure dialects given time and the will to learn.

   In both human and wolf form, wolfwalkers have an excellent sense of hearing, smell, and eyesight. In wolf form you are also able to feel the vibrations in the earth to sense the movements of anyone or anything nearby. Translated to game mechanics that's 20 feet of spacial awareness.

Your unable to fully detect something that doesn't have a scent, invisible, or doesn't make a sound.

They are able to detect if one is a wolfwalker or not from a distinct smell and the ability to see a faint outline/aura of the other wolfwalker.

Humans reach adulthood in their late teens and live less than a century. Those who are Wolf Walker's do not age while sleeping so their age varies greatly.

Humans vary widely in height and build, from barely 5 feet to well over 6 feet tall. Regardless of your position in that range, your size is Medium.

While sleeping and a child your wolf self is a pup ,tiny or small.

While sleeping and a teen your wolf self is the size of a normal wolf, medium.

While sleeping and an adult your wolf self is the size of a dire wolf, large.

Your base walking speed is 30 feet.

Your wolf running speed is 40

 Your dire wolf speed is 45