TheagingorcshamanNer’zhulhasseizedcontroloftheHordeandreopenedtheDarkPortal.HisbrutalwarriorsonceagainencroachuponAzeroth,layingsiegetothenewlyconstructedstrongholdofNethergardeKeep.There,thearchmageKhadgarandtheAlliancecommander,Turalyon,leadhumanityanditselvenanddwarvenalliesinfightingthisnewinvasion.Evenso,disturbingquestionsarise.Khadgarlearnsoforcishincursionsfartherabroad:smallgroupsoforcswhoseemtopursueagoalotherthansimpleconquest.Worseyet,blackdragonshavebeensightedaswell,andtheyappeartobeaidingtheorcs.TocounterNer’zhul’sdarkschemes,theAlliancemustnowinvadetheorcs’ruinedhomeworldofDraenor.CanKhadgarandhiscompanionsstopthenefariousshamanintimetostaveoffthedestructionoftwoworlds?