Son of Hecate fighting for Kronos, using powerful magic spells against Camp Half-Blood forces.

Helps lead the defense of Manhattan, using her architectural knowledge to plan defensive...

Personnel who operate drawbridges and monitor bridge traffic, now asleep at their posts.

Major Manhattan bridge that becomes a battleground during the Titan invasion.

Local spirits of Brooklyn who defend the bridges connecting to Manhattan.

All available campers from Camp Half-Blood mobilized to defend Manhattan and Olympus.

Prepares Camp Half-Blood for the final battle while coordinating with other camps and allies. His...

Leading the Ares cabin in the final battle. Initially reluctant to fight alongside the other...

Large force of snake-tailed women warriors serving in Kronos's invasion army of Manhattan.

Elite dracaenae who lead the snake-woman warriors in Kronos's army.

Smaller but intelligent drakons that lead monster battalions in coordinated attacks.

High-ranking empousai who coordinate the vampire forces in battle formations.

Hundreds of vampire-like monsters with bronze legs serving in Kronos's invasion force.

Son of Nemesis who joins Kronos's army, believing the minor gods deserve more respect and...

Massive scorpions with deadly poison stingers serving in Kronos's monster army.

Brings an army of nature spirits, dryads, and satyrs to help defend Manhattan and Olympus. His...

The largest and most dangerous hellhound leading the demonic dog packs for Kronos.

Packs of large demon dogs from the Underworld serving in Kronos's army.

Ancient Titan of light who leads part of Kronos's army in the assault on Manhattan. Burns with...

Son of Nemesis fighting for Kronos, seeking revenge against the gods for neglecting minor deity...

Large numbers of fire-breathing cannibal giants in Kronos's assault force on Manhattan.

Massive mechanical siege weapons operated by monsters to breach Manhattan's defenses.

Accompanies Percy to the River Styx and helps him understand the risks of bathing in its waters....

Leads the defense of Manhattan and Olympus against Kronos's army. Coordinates with other demigods,...

Head counselor of Aphrodite cabin, known for her kindness and her relationship with Charles...

Fights alongside Percy in the defense of Manhattan, using her powers over lightning and her skill...

Demigods who joined Kronos's cause, believing the Titans offer a better future than the neglectful...

The spirit of the legendary Greek hero who guides Percy through understanding the curse of...

Spirits who manage Camp Half-Blood's amphitheater for campfire gatherings.

Goddess of the hunt who leads her Hunters in the final battle against the Titans.

Armed guards and security personnel at Manhattan banks and financial institutions who fall asleep...

The spirit of Nico's deceased sister who appears in the Underworld to encourage her brother.

Percy's loyal pegasus who provides aerial support and transportation during the Manhattan battle.

Actors, musicians, and theater staff performing in evening shows who fall asleep on stage and in...

Head counselors from all the different cabins who help coordinate the defense of Manhattan.

Television camera operators and production staff who fall asleep with their equipment.

Protective spirits that reinforce Camp Half-Blood's magical boundaries during the war.

Water nymphs of Camp Half-Blood's canoe lake who provide aquatic support.

Dies heroically while destroying Kronos's cruise ship, the Princess Andromeda. His sacrifice...

U.S. Coast Guard personnel patrolling New York waters who fall asleep on their vessels.

Co-head counselor of Hermes cabin alongside his brother Travis, skilled in pranks and combat.

Construction crew members working night shifts on Manhattan building projects who fall asleep at...

Pizza delivery, package couriers, and other delivery service drivers who fall asleep in their...

Spirits who help serve meals and maintain the dining pavilion at Camp Half-Blood.

Professional dog walkers and pet owners out for evening walks who fall asleep in parks and on...

Firefighters, paramedics, and other emergency workers in Manhattan who fall asleep due to...

Emergency medical technicians and paramedics who fall asleep in their ambulances.

Fire Department of New York firefighters who fall asleep in their stations and trucks.

News reporters on the streets of Manhattan who fall asleep while covering the evacuation.

Tree spirits who guard the forested borders of Camp Half-Blood.

Manhattan's homeless individuals who fall into an even deeper magical sleep in doorways, parks, and...

Doctors, nurses, and hospital workers throughout Manhattan who fall asleep due to the divine sleep...

Front desk clerks, bellhops, and hotel service staff who fall asleep at their posts in Manhattan...

Immortal huntresses led by Thalia Grace who join the battle to defend Olympus.

God of sleep who works with Morpheus to keep Manhattan's mortals asleep during the battle.

Goddess of the rainbow who continues providing communication services during the battle.

Son of Hephaestus who becomes head counselor after Beckendorf's death. Skilled in metalworking and...

Maintenance and cleaning staff throughout Manhattan buildings who fall asleep during their night...

Head counselor of Demeter cabin, skilled in plant magic and nature-based combat abilities.

Now fully possessing Luke's body as his vessel. Leads a massive army of monsters, Titans, and rogue...

Fully possessed by Kronos, his body serves as the Titan lord's vessel. Leads the assault on...

Son of Athena who helps coordinate battle strategies alongside Annabeth.

Millions of ordinary New Yorkers put to sleep by Morpheus to protect them from the supernatural...

Civilians fleeing Manhattan before falling asleep from Morpheus's spell. Some escape across bridges...

Military personnel stationed around Manhattan who are also affected by the sleep spell.

New York Police Department officers who fall asleep due to Morpheus's spell during the battle.

Yellow cab drivers throughout Manhattan who fall asleep at their wheels due to Morpheus's city-wide...

Out-of-town visitors in hotels and tourist areas who fall asleep due to the city-wide spell.

His sleep spell affects most humans but some mortals like Rachel can resist it due to their clear...

Goddess of revenge and balance, mother to Ethan Nakamura who fights for the Titans.

Various overnight employees including gas station attendants, convenience store clerks, and factory...

Ancient Titan of the ocean fighting Poseidon in underwater battles while the main war rages on land.

Corporate employees working late shifts in Manhattan office buildings who fall asleep at their...

The container that once held all the world's evils, offered by Prometheus as a weapon against the...

Recreational runners and fitness enthusiasts in Central Park and other Manhattan parks who fall...

Winged horses that provide aerial reconnaissance and quick transport during the battle.

Hunter of Artemis who serves as a lieutenant under Thalia, skilled in archery and immortal combat.

Son of Dionysus and twin brother to the deceased Castor. Fights to honor his brother's memory.

Fighting his own war against the sea Titan Oceanus while his son battles on land. Unable to help...

Offers Percy Pandora's jar and tries to convince him that the gods will inevitably abandon their...

Gives Percy crucial prophecy information and guidance about the coming battle. Her visions help...

Chefs, waiters, and kitchen staff in Manhattan restaurants who fall asleep during evening service.

The invulnerability curse Percy received from bathing in the River Styx, with Annabeth as his...

Security personnel in Manhattan office buildings and landmarks who fall asleep at their posts.

Dryads who tend Camp Half-Blood's strawberry fields and assist in camp defense.

Hot dog stands, pretzel carts, and food truck operators who fall asleep at their posts throughout...

Metropolitan Transportation Authority employees who fall asleep in subway tunnels and stations...

One of the head counselors of Hermes cabin, known for pranks but serious about defending the camp.

Maintenance workers in Manhattan's tunnels and underground systems who fall asleep at work.

Television news reporters who fall asleep while broadcasting about the strange events in Manhattan.

Working as a general in Poseidon's army, leading other cyclopes in the war against Oceanus. Has...