Behemoth’s Adam “Nergal” Darski has taken to social media to blast U.S. president Donald Trump and vice president JD Vance for their shameful conduct during their recent meeting with Ukraine president Volodymyr Zelenskyy. He says Trump and Vance “behaved like two classless, uncivilized brutes.” Nergal said the following: “The Trump-Zelenski conference just ended, and I’m…