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Following the resurrection of Nemesis and his undead army by Those Who Slither in the Dark, they were intercepted by Alliance forces on the plateau while on their way to Garreg Mach to demand his revenge on Seiros. Following the interception, the plateau has become the final battle between Nemesis and Alliance forces where Nemesis is finally slain for good in the end by Byleth and Claude, alongside with the disappearance of his army.