Uses destructive magic and summons monsters to support Kronos's assault on Manhattan.

Wounded by a poisoned blade while protecting Percy. Her injury motivates Percy to fight even harder...

Camp's security chief who coordinates defensive positions and watches for enemy infiltration.

Ancient Hunter of Artemis, legendary for her speed and archery skills in battle.

Son of Apollo who uses sonic attacks through his saxophone to disorient enemy forces.

Appears to Nico during the battle to give him strength and remind him of his purpose.

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

Mechanical warriors created by Hephaestus cabin to defend key positions in Manhattan.

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

Son of Iris who helps maintain communications during the battle using rainbow messaging.

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

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

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

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

The spirit of Pollux's dead twin brother who provides comfort and guidance during the battle.

Wild centaurs led by Chiron who arrive to help defend Manhattan and Olympus.

Large Manhattan park that becomes a staging area and battle site, with nature spirits joining the...

Tree spirits throughout Central Park who animate trees and plants to fight against invading...

Leads the Camp Half-Blood forces in battle, using his archery skills and tactical knowledge to...

Wild centaurs who answer Chiron's call to help defend Manhattan, skilled in archery and warfare.

Son of Hermes who previously fought for Kronos but returned to Camp Half-Blood. Dating Clarisse La...

Art Deco skyscraper that serves as a vantage point and battle site during the Manhattan conflict.

Initially refuses to participate in the final battle due to conflicts with the other camps. Her...

Son of Hypnos who helps coordinate with Morpheus's sleep magic to protect civilians.

Works with Travis in scouting enemy positions and executing quick strike missions.

Army of cyclopes led by Tyson who arrive to help in the final battle with their strength and...

Cyclops craftsmen who forge weapons and repair equipment during the battle.

Son of Ares who specializes in heavy weapons and siege warfare tactics.

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.

Specialized team of demigods trained to take down the largest monsters in Kronos's army.

Daughter of Aphrodite skilled in charmspeak, using her abilities to confuse and misdirect enemies.

Water spirit of the East River who provides aquatic support and healing.

Son of Ares skilled in battlefield tactics and leading frontal assaults.

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.

Fights alongside Kronos in the assault on Manhattan, using his powers and training to battle the...

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

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

The magical essence of the Golden Fleece that provides healing support during the battle.

Uses his enhanced powers and connection to nature to help heal the wounded and coordinate with the...

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.

Sea-horse mounted cavalry that emerges from the rivers to support the battle.

Ancient spirit of the Hudson River who aids Percy with water-based powers during the battle.

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

Leads the Hephaestus cabin in creating and maintaining weapons for the battle.

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

Uses her plant magic to help defend Manhattan, growing barriers and entangling enemy forces.

Daughter of Apollo specializing in both archery and musical combat magic.

Titan associated with constellations and the south, one of Kronos's brothers leading the assault.

Demonstrates his full power as he battles gods and heroes. His presence begins to unravel the...

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

Son of Apollo and skilled archer who leads arrow volleys against enemy forces.

Shows brief moments where his original personality breaks through Kronos's control, suggesting some...

Works on tactical analysis and battle coordination during the Manhattan defense.

Head counselor of Apollo cabin after Lee Fletcher, coordinates archery support and healing.

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

Dryads, satyrs, and other nature spirits led by Grover who join the final battle.

Brings an army of undead warriors from the Underworld to help defend Olympus. His powers have grown...

Daughter of Hephaestus specializing in explosives and heavy artillery for the battle.

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

Leader of the party ponies who coordinates the centaur army's assault tactics.

Musical centaurs who use battle hymns and war songs to boost morale during combat.

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

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

Leads hunting parties in coordinated strikes against Kronos's monster forces.

Uses his wine-based powers and fighting skills to help defend Manhattan in his brother's honor.

Nature spirits from Queens and outer boroughs who join the final battle.

Son of Ares and brother to Clarisse, fights with brutal efficiency using war magic.

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

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

Leads the Hunters of Artemis in coordinated attacks against Kronos's forces. Her tactical...

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

Fights in the Manhattan battle using his thievery skills and quick thinking for reconnaissance.

Arrives with reinforcements from the sea to help defend Manhattan. Brings weapons he's forged...

Head counselor of Apollo cabin and the camp's primary healer. Works tirelessly to heal the wounded...

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...

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

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

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

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

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.

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.

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...

Battles the demigods with incredible power, nearly overwhelming them with his light-based attacks.

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.

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

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...

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.

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...

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.

Another major bridge connecting Manhattan that becomes part of the battle theater.