In medieval Europe, a skilled alchemist invents a time-travel potion and must outwit a rival alchemist to change the course of history, only to discover that the antagonist is a future version of himself driven mad by time-travel, forcing him to heal his own future to break the cycle of destruction.
Protagonist: A skilled alchemist from medieval Europe who invents a time-travel potion; Antagonist: A rival alchemist who is envious of the protagonist's success and seeks to destroy the potion and discredit the protagonist's work.
The protagonist successfully tests the time-travel potion and embarks on a journey through different time periods, encountering various challenges and obstacles along the way.
The protagonist ultimately outwits the antagonist and uses the time-travel potion to change the course of history, ensuring a better future for all.
Twist: The protagonist discovers that the antagonist is actually a future version of himself, driven mad by the effects of time-travel. In order to save himself and the future, the protagonist must find a way to heal his own future and break the cycle of destruction.