The war in Ukraine that began in February 2014 with the annexation of Crimea and escalated in February 2022 to the extent unseen in Europe since the World War II, cannot be adequately comprehended without taking into consideration its religious dimension. This dimension was correctly identified by the patriarch of Moscow and all Russia Kirill as “metaphysical.” This paper explores some aspects of the metaphysics of the Russo-Ukrainian war. It also tries to explain how and why the Russian Orthodox Church has contributed to it.