As Riko and Reg continue their descent into the Abyss, they encounter numerous challenges and new allies. They cross paths with Nanachi, a former human transformed into a cute and intelligent creature by the Abyss’s mysterious powers. Nanachi joins the duo on their journey, offering invaluable knowledge and expertise about the Abyss’s secrets.
The pivotal events in “Wandering Twilight” revolve around the trio’s encounters with several dangerous creatures and hostile cave raiders. The bond between Riko, Reg, and Nanachi grows stronger as they face life-threatening situations together and rely on each other’s unique abilities. They must navigate through perilous environments, solve intricate puzzles, and battle formidable adversaries.
One of the central plotlines in the film is the group’s pursuit of clues about Lyza’s whereabouts. They uncover fragments of Lyza’s journal and interact with other cave raiders who have encountered her in the past. The mystery surrounding Lyza’s fate deepens, raising questions about her motivations and the true nature of the Abyss itself.
As Riko, Reg, and Nanachi delve deeper into the Abyss, they become entangled in a larger conspiracy involving powerful organizations and the true purpose of the Abyss’s existence. They encounter Bondrewd, a manipulative and enigmatic White Whistle, who is conducting grotesque experiments on creatures and orphaned children in his pursuit of the Abyss’s secrets. The trio must confront Bondrewd’s dark intentions and survive his relentless pursuit.