The first regiment rallied to defend the realm after the warlock Gul'dan invited the Burning Legion to invade Azeroth. The regiment played a pivotal role in driving the Legion back from Elwynn Forest and Westfall. After King Varian Wrynn perished during the attack on the Broken Shore, the forces of Westridge were quick to pledge fealty to his son, Anduin Wrynn. 

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