Pushing Sirius out of the way of Bellatrix's curse came at a cost for Harry Potter, who ended up in another world. Enslaved by monstrous creatures, he assumes he's in hell but eventually learns that he's in the Vega system from another prisoner, Koriand'r. As the two of them grow close, he becomes determined to escape with her, get back to Earth, and take revenge on the Citadel.
crossover dimension travel alternate universe superhero
crossover dimension travel alternate universe superhero