Faustian (adjective)

1. In the faustian world of science fiction, the protagonist risks everything to unlock the secrets of time travel and alter the course of history.

2. The novel is set in a faustian realm of wizards and dragons, where sorcerers make dark deals in their pursuit of forbidden knowledge.

3. The superhero's faustian quest for ultimate power in the comic book series leads to the sacrifice of his morality and the destruction of his loved ones.

4. The faustian anime series follows a young protagonist who makes a pact with a supernatural creature, trading their soul for immense magical abilities.