You fly into a primal rage and you are oblivious to all types of damage for three turns. If you land your first attack you gain an extra attack and gain a +3 on all other attack rolls for the duration of the rage. the only way you can be forced out of the rage are if you are knocked out. You cannot be grappled or immobilized. 

You take a bite out of an enemy. This deals 1d8 damage with a modifier equal to your strength modifier.

You howl and summon two specters that attack either one or two enemies. For every level after 3rd add one specter. Each specter deals 1d8 psychic damage with a modifier equal to your intelligence modifier and causes a level of exhaustion if the target fails a dc 14 intelligence saving throw.