With K'Varn defeated, a betrayal forces Vox Machina to flee Yug'voril and the Underdark.With K'Varn defeated, a betrayal forces Vox Machina to flee Yug'voril and the Underdark.With K'Varn defeated, a betrayal forces Vox Machina to flee Yug'voril and the Underdark.