go out in a blaze of glory

Go out in a blaze of glory is a figure of speech that is referring to a downfall which is also spectacular, primarily someone who dies but in a magnificent way. If someone goes out in a blaze of glory, they may disappear or die but everyone watching them has seen them go out with glory and awe. It is also a way to be remembered after your passing or after you have left due to the way you left.