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Overview

The Sentinels are twelve semi-divine guardians created by Chronos, each bound to one of the twelve planets and its Chronotector. They are ageless and resistant to death — injuries are temporary, and only severe damage or Void corruption can permanently kill them. The player character becomes the newest Sentinel upon acquiring Setera's Chronotector at the Ruins of Time.

The narrative reveals that twelve Sentinels should exist, but only six appear in Chrono Odyssey's current story — the fate of the remaining six is unknown.

Known Sentinels

Velia — Sentinel of Rodinia

Leader of the Sentinels. Velia's Chronotector ability is Time Stasis — the power to freeze everything in place, though she cannot reverse or alter events. She used this ability to halt time on her homeworld Rodinia before its destruction by the Void, saving it as a frozen ruin.

Velia plays a pivotal role in the prologue: she appears at the Ruins of Time, obliterates the Void forces with incomprehensible power, saves the sole surviving Vanguard member (the player), and sends them one year into the past with the message: "Find me there. Bring word that the future has changed."

Leviona — Sentinel of Izar

A researcher dedicated to studying the Void and anomalies like Labyrinths and Chrono Gates. Her Chronotector ability is Time Mirage — the power to create multiple versions of herself within the same timeline. She has a Void prosthetic limb, suggesting her homeworld Izar was technologically advanced before its destruction.

Betelgeuse — Sentinel of Magellan

The primary antagonist. Former Emperor of Magellan, the planet that received the least Arche from Chronos. Betelgeuse awakened the Void by using his Chronotector's Temporal Tuning ability to manipulate past, present, and future, breaking the Temporal Rift seal. His motivations remain mysterious but presumably stem from Magellan's suffering under Arche starvation.

Petra — Spirit Warden

Sentinel of an unnamed world. Typically calm and gentle, Petra becomes intensely passionate about specters and death. After the Void destroyed her homeworld, she harnessed her Chronotector to raise an army of Specters from fallen warriors. Her ability is Summon Specter — she can summon multiple powerful specters simultaneously. She plays a key storyline role in teaching players to summon and command their own Specters via the Chronotector.

The Player as Sentinel

The player character is the sole survivor of a Vanguard assault on the Ruins of Time. After acquiring Setera's Chronotector and being sent back in time by Velia, the player ascends to Sentinel rank — gaining access to all five Chronotector abilities and the responsibility of changing the course of history.