Fusexen is a Kaboomxen (Braixen/Bombcario fusion) who is a demolition expert (who is commonly drunk on the job) mainly since they are the bomb used for the demolition (due to being part bombcario they are able to eat and drink things like Oil and Scrap metal (and also nitroglycerin)) how they became this way was actually natural since their dad was a Bombcario and their mom was a Braixen on top of that they don’t get blown to bits by their blasts…. We are trying to research it but we haven’t gotten an answer yet