I know nothing about Japanese history and I only did a cursory Google search about this stuff, so it's likely that I failed to make some connection that a more knowledgeable person could see. Meep.
This is the end for you!!
This phrase uses 終わり, Owari in romaaji, meaning endIt's Owari!
This phrase uses 尾張, also pronounced Owari, an old Japanese province that was the birthplace of the famous warlords Oda Nobunaga and Toyotomi Hideyoshi.