Age: 16 (current), 21 (Original timeline)
Gender: Male
Race: Human
The series' protagonist. Kail's story begins in tragedy—his hometown gets destroyed by the Demon Lord, an event that pushes him to join the human resistance. After a year of fighting, he leads a desperate suicide squad mission against the Demon Lord himself, managing to kill him, though at catastrophic cost. Mortally wounded, Kail's hand brushes against a Divine Dragon's Heart, an artifact the Demon Lord was guarding, and he's suddenly sent back in time four years.
This second chance is everything. Kail finds himself back before the Demon Lord's Great Invasion ever happens, with three years to prepare. Rather than fight alone, he convinces some close friends to leave their village with him and train to become the legendary heroes the human resistance will desperately need. It's basically a race against time to get strong enough to actually change the outcome when the invasion inevitably comes around again.
Content compiled by AnimeList.moe from publicly available sources.
