Whether you were raised by them or found them while hunting, you have a unique bond with the Wolf.  Using this bond you and your family wreck havoc on the battlefield.

The Family

Through showing your prowess in life Members of your pack come to respect you and are willing to follow you.

Starting at Lv 3 you gain a Wolf companion 

At levels 7, 11, and 15 gain an additional Wolf

If a Wolf dies you can replace them after 1 week of mourning 

Wolves Bite

Through cooperation, you lead the pack to take down targets with greater efficiency

Starting at lv 7
When you are flanking with your wolves, You and any Wolf attacks against the target creature deal an additional 1d6 damage.

At levels 11, 15, & 19 add an additional 1d6

Wolf Brother

Starting at lv 11

You gain the Pack Tactics ability

Ascension

You've more than proven you're worth to the pack.

At Level 15 you can choose between the following options

Wolves Coat

While wearing no Armor
-- Your Ac is equal to 10 + Dex mod + Wis mod 
-- Resistance to Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

Wolves Fang

-- You gain Claw and Bite attacks that deal 3d6 slashing and 3d8 Piercing respectfully, and count as Magical for the porpuses of overcoming damage resistances