Bloodfang pack

The Bloodfang Pack are a group of feral worgen that attacked Gilneas City sometime prior to the Forsaken invasion of Gilneas. Ivar Bloodfang is the leader of the Bloodfang worgen of Silverpine Forest.

History
When the worgen attacks upon Gilneas first occurred, it was Bloodfang's worgen that led the charge. After witnessing the Forsaken's cruelty to their kind, the pack later joined forces with Darius Crowley and his Gilneas Liberation Front against the Horde in Silverpine Forest. They managed to sabotage an orc fleet that came to help the Forsaken and ambush the undead. After Sylvanas Windrunner captured Lorna Crowley and used her as a bargaining chip in securing Crowley's surrender, the Bloodfang pack retreated from Silverpine to the contested areas of Gilneas.

The Bloodfang pack continued to oppose the Forsaken in Hillsbrad Foothills where they have allied with the Stormpike Guard, with both sides jointly claiming Purgation Isle, and are attacking the Forsaken stationed at the Ruins of Southshore.

Despite Ivar's original attitude about joining Crowley (having done so as more of an alliance of convenience due to the Forsaken adopting a policy of killing all worgen following the Cataclysm and invasion of Gilneas), the Bloodfang still assisted the Alliance even after the order was given to abandon and retreat from Silverpine Forest. It is seen that Ivar's opinion of Crowley has obviously dropped, he is still seen as being very willing to work with the Alliance despite the conditions of the original pact.

Battle for Azeroth
The Bloodfang Pack re-mobilizes back into Silverpine defeating Deathstalker Hayward and claiming Fenris Isle. The Horde proceeds to distract the Bloodfang forces, so that evacuations can continue across the Lake. They also lend forth Bloodfang Stalkers to aid with the Alliance war effort in the name of Gilneas.

They later mobilize with Gilneas into Darkshore, led by their packleader himself.

Exploring Azeroth
When Mathias Shaw and Flynn Fairwind embarked on their journey to explore Azeroth as well as catalogue the locations of various artifacts, they visited the forest.

Shaw noted his main contact in the area as Ivar Bloodfang, stating that the packleader was his contact within Shadowfang Keep. The pack has apparently claimed it, alongside Fenris Isle, and has taken most of the artifacts within the Shadowfang to Fenris Keep to be guarded closely.

Shaw notes that while the Bloodfang are their allies, they are so close to feral that he advises his spies to not let their guard down around them.

Unnamed

 * Captured Bloodfang Worgen
 * Captured Bloodfang Worgen
 * Captured Bloodfang Worgen
 * Captured Bloodfang Worgen
 * Captured Bloodfang Worgen
 * Captured Bloodfang Worgen
 * Captured Bloodfang Worgen
 * Captured Bloodfang Worgen
 * Captured Bloodfang Worgen
 * Captured Bloodfang Worgen
 * Captured Bloodfang Worgen

Speculation

 * Some of their members may have been those summoned by Arugal, like Alpha Prime.
 * It is presumed that they were in some way allied, subservient to, or affiliated with Alpha Prime and his Wolf Cult but following Alpha Prime's demise, the Bloodfangs became independent.
 * It is likely the Bloodfang Pack is in fact the Cult, given it was Alpha Prime that lead the worgen on Gilneas, and it is the various hostile Bloodfang seen attacking Gilneas in the corresponding starter zone. This would explain why they did not go with the kaldorei in the Gilnean exodus to Darnassus, why their pact with Darius Crowley was so fragile, and why they so viciously defend their territory.
 * Berard the Moon-Crazed, may possibly be part of the Bloodfang Pack since he wears the "Bloodfang Armor" set.