Eleventh Eastern War
Military action
Kasytia, finally mostly recuperated from horrors of First Armageddon War and Great Southern War, marches forth, overwhelming eastern kingdoms.
Kasytia - especially eastern provinces - were much less touched by two cataclysmic wars that decimated East. And when the western provinces mostly recuperated...
Kasytia marched to war, soon overwhelming and mostly conquering Inrithia and southern Vhessana (Karvathian Upplands). Senach, too, mostly fell, with only Khem and northern Vhessana surviving the war.