Frisk is halfway through a neutral run with no kills when they lose control of their powers and somehow sends the entire underground back in time to the dinosaur era. Most of the monsters aren't strong enough to survive the time travel and die. Sans manages to use his magic to keep the monsters in Snowdin and Hotland alive. What now?

In this version of Undertale Asgore is a king ruling with an iron fist. The monsters have attempted many times to bring him down. All have failed. What are the monsters to do?