"A lost traveler discovers a time-travel portal in a cave, leading them to navigate different eras with the guidance of a wise mentor, only to realize the mentor is a future version of themselves, leading to valuable life lessons and a chance to change their own future."
Protagonist: A lost traveler who stumbles upon the time-travel portal; Deuteragonist: A wise mentor figure from a different time period who guides and supports the protagonist in their journey through time.
The protagonist discovers the portal and travels to a time period where they must navigate the dangers and challenges of a different era, testing their resilience and adaptability.
In the end, the protagonist learns valuable lessons from their journey through time and ultimately finds a way to use the time-travel portal to make a positive impact on their present-day life.
Twist: The wise mentor figure turns out to be a future version of the protagonist, who has been guiding themselves through time to learn important life lessons and ultimately change their own future for the better.