The Kendo 8th Dan exam is famed for being excruciatingly difficult to pass. With a pass rate that is often less than 1%, only a select few of the thousands of Kendoka who attempt the test will ever pass.
Many of us have seen the well-known documentary, of Kenichi Ishida Sensei's attempt, and it is has helped form the basis for what many of us imagine the overall atmosphere of the exam to be.
In what is perhaps a departure from what many of us imagine a usual 8th Dan exam to look like, this footage of Shiro Konishi Sensei is both energetic and explosive. A somewhat legendary Kendoka, Konishi Sensei passed this exam, and still practices Kendo at his current age of 92 :