conflagration
Fire - but conflagration really means a large destructive fire.
Generic fire is 'hi,' while a destructive fire (such as a house fire) is 'kaji.'
Vandal
Vandal
If you meant the word 'conflagration.' That word means, according to Dictionary.com: a destructive fire, usually an extensive one.
vandal
small 5 letter word
The prefix that can be added to the word "destructive" is "non-."
The word is exterminate.
Bombs are overpowering and destructive. The adjective begins with the letter O.
fire
pyre