Tide Tyrant emerges as the central antagonist born from a prophecy foretelling an encroaching darkness only the Wolf Sword’s wielder—a young girl—can repel. To manipulate events unseen, it masquerades as Sonoda, a mild-mannered schoolteacher, infiltrating human society until a climactic confrontation forces it to shed this guise, unlocking the protagonist’s fragmented memories of a forgotten past.

Master of psychological warfare, Tide Tyrant weaponizes a shattered pocket watch tied to a student’s fixation on prophetic lore to induce harrowing visions and emotional instability. These illusions warp reality, simulating nightmarish scenarios of allies lost or ensnared in fractured dimensions. The watch also acts as a conduit for its reality-warping power, enabling targeted abductions to advance its agenda.

Driven to corrupt the prophecy’s purpose, it systematically exploits the protagonist’s fears and doubts to erode her resolve. Its downfall arrives when the Wolf Sword shatters the watch, severing its tether to the physical realm and banishing its influence. Though victims lose explicit memories of its manipulations, subtle echoes of trauma linger beneath the surface.

The entity’s design and narrative function weave themes of temporal distortion and existential duality, echoing motifs from classic literary works. Its potential ties to otherworldly entities or past incarnations remain undefined within existing records, as do accounts of its presence beyond this documented conflict.