The leader of the wolves. Wolves instinctually move in packs, at the center of which warg wolf are often found. They usually communicate by howling, and are good at coordinating their efforts when stalking prey. Originally, this species was not known to attack humans unprovoked, but lately there have been a fair amount of reports claiming attacks by packs of wolves.
As a summoned, template, creature, this creature has several changes. Anything noted with  is what it gains from the template associated with the summoners’ alignment. Divine is always listed first, and Unholy afterwards.
Warg Wolf (CR 2)
AC 14, touch 12, flat-footed 12 (+2 dex, +2 natural)
hp 19  (3d8+6)
Fort +5, Ref +5, Will +3
[Resist holy 5/shadow 5]
Speed 50 ft.
Melee Bite +5 (1d6+4 [+1d4 holy/shadow] plus trip)
Space 5 ft.; Reach 5 ft.
Special Attacks Crunch
Str 17, Dex 15, Con 15, Int 2, Wis 14, Cha 10
Base Atk +2; CMB +5; CMD 17 (21 vs. trip)
Feats Run, Skill Focus (Perception)
Skills Perception +9, Stealth +7, Survival +3 (+7 scent tracking); Racial Modifiers +4 Survival when tracking by scent
Once every 1d4 rounds as a swift action, the warg wolf can bite an additional time while tearing some flesh from their opponent. If they succeed at hitting with their bite attack, the damage is 1d6+4 plus 1d4 bleed per round for 2 rounds.