Misadventures In Magical Medicine

The Accidental Magical Reversal Squad has been long hallowed as the team you call when shit goes wrong. After the Aurors, they have the most dangerous job in the Wizarding world (except dragon breeder). So what is it like as the new team member, when dark forces are gathering and your mentor is an immature, drunken git? Starts during book 5, OC's and plenty of guest appearances