An evil wizard named Evilzard summoned a world-ending meteor — until a hero shattered it. The fragments spawned a network of towers across the land, and monsters poured out of them. Every adventurer sent to destroy the towers was stopped by a black curse left behind at the moment of Evilzard's death. Then a chocobo named Boco emerged from one tower — alone, heavily wounded — and came back out alive. The kingdom of Enisque hailed him as a national hero and launched a breeding program, sending trained chocobos into tower after tower to do what no human could.