Doctor Who: The Twelfth Doctor Year Two — Titan Comics
Issue: #3
Chaos descends on the private Scottish school of Ravenscaur, as secrets sunk at the bottom of the bay are dragged into the light! As the Doctor investigates reports of a Tunguska-style event that shook the heavens decades previous, Clara unravels an establishment conspiracy that cuts to the country’s heart!
First appearances: Petronella Osgood
Creators: Richard Starkings, Jimmy Betancourt, Robbie Morrison, Rachael Stott, Jessica Burton, Gabriela Houston, Andrew James, Alex Ronald, Simon Myers, Rob Farmer, Ivan Nunes
Characters: The Doctor, Kate Stewart, Petronella Osgood, Clara Oswald
Story arcs: Clara Oswald and the School of Death