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Father, you wished for a more worthy opponent? I am one of the Giants you are so proud of. You wished me to be more warlike? Perhaps I will start by destroying you!

–Damasen to Tartarus, in The House of Hades

Damasen is the Giant son of Gaea and Tartarus, created to be the nemesis of Ares, the god of war.


The First Gigantomachy and Banishment

Damasen was born to oppose Ares /Mars, the god of war. Being Ares' nemesis, Damasen was peaceful and helpful, and spent his life in the mortal world living as a farmer.

One day, a drakon appeared in the mortal world and killed one of Damasen's farmer friends. In rage, Damasen tracked down the drakon and killed it. He was condemned to Tartarus for slaying the drakon, which was ravaging the mortal world. In Tartarus Damasen was constantly attacked by the drakon he destroyed in the mortal world. Every "day", the drakon regenerated and attacked again. Eventually he built himself a hut out of the drakon's bones and skin.

The Heroes of Olympus

The House of Hades

Damasen is introduced to Percy Jackson and Annabeth Chase by Iapetus after the Titan led them to his home in a swamp in Tartarus. He heals their wounds and provides them with food to continue their quest. Annabeth, realizing that they need Damasen's help in order to finish their quest, asks Damasen to join them, but he refuses since he believes he cannot escape his curse.

Later when the trio reach the Doors of Death, Tartarus himself appears, and nearly destroyed them, when Damasen arrived, riding his archenemy the Drakon. Damasen battles his father along with the Dragon, Small Bob and Iapetus, giving Annabeth and Percy their chance to escape.


Gaea had wanted Damasen to oppose Ares, so he was the Anti-Ares. But unlike his brethren, Damasen was born with a very peaceful and gentle personality, as opposed to Ares's warlike, bloodthirsty nature. Shunning Gaea's orders, Damasen chose to live a quiet life in Asia Minor, tending sheep and befriending mortals. Damasen can, however be very violent, though not without a valid reason. He avenged the death of one of his friends by slaying the Maeonian Drakon, forcing a tree down its neck.

After being imprisoned in Tartarus for several centuries, Damasen was overcome with hopelessness, believing that his curse has overtaken him. This does not affect his original personality and hospitality, as shown when he welcomes Percy, Annabeth and Iapetus to his hut. Towards the end of The House of Hades, Damasen arrives at The Doors of Death, and is willing to sacrifice his life to help Percy and Annabeth escape from Tartarus.


Annabeth Chase, who Damasen made a drakon bone sword for.


Damasen 20-feet tall, though somewhat short for a Giant, albeit slightly taller than the Titan Iapetus. From the top he is humanoid, with cherry-red skin, a beard and hair the color of iron rust, bushy eyebrows, and multiple scars on his face (from battling the Maeonian Drakon endless times). His dreadlocks are decorated with tufts of grass, leaves, and swamp flowers. From the bottom, his dragon legs are red and he has claws on his feet. Being a peaceful Giant, Damasen does not wear bronze armor, but rather, a shirt stitched together from sheep hides and green-spotted leather. He initially unsettled Annabeth, as he radiated "sorrow and bitterness."


Not much is known about the true extent of Damasen's power, but as the opposite of Ares /Mars, he is very powerful: 

  • Prowess in Battle: Even though he was peaceful and did not participate in the first Gigantomachy, Damasen has enhanced strength, as he battled and defeated a Drakon numerous times without much effort, and later rips huge chunks of Drakon meat of the carcass with his bare hands. In The House of Hades, he even fended off Tartarus himself, together with Iapetus and the Maeonian drakon, though only for a while. His weapon of choice is a Drakon Bone Lance.
  • Healing: Damasen's ability as a healer was legendary, and he even cured Percy from drinking Gorgon Blood (along with several other dangerous curses) in a matter of minutes.   
  • Giant Invincibility: As a Giant, Damasen can only be killed by a god and demigod working together, and when he is harmed by anybody else, he heals at an accelerated rate, though he could also be defeated by having his essence sucked into the dark whirlpool on Tartatus' face.


  • Because Ares was a god of war, when Damasen was born during the Gigantomachy, he became the only peaceful Giant.
  • Interestingly, Damasen was not actually one of the Giants who participated in the Gigantomachy in historical Greek mythology. In the mythology, he was still a giant son of Gaea who fought a drakon, but he was not one of the Giants who fought the Olympians.
The Heroes of Olympus
Core Series: The Lost Hero | The Son of Neptune | The Mark of Athena | The House of Hades | The Blood of Olympus
Main Characters: Jason Grace | Piper McLean | Leo Valdez | Percy Jackson | Frank Zhang | Hazel Levesque | Annabeth Chase | Reyna Avila Ramírez-Arellano | Nico di Angelo | Gleeson Hedge
Minor Characters: Rachel Elizabeth Dare | Thalia Grace | Octavian | Fleecy | Dakota | Ella | Tyson | Mrs. O'Leary | Arion | Hylla | Echo | Bob | Calypso
Olympian Gods: Zeus | Hera | Poseidon | Hades | Ares | Demeter | Athena | Apollo | Artemis | Hephaestus | Aphrodite | Hermes | Dionysus
Minor Gods: Achelous | Aeolus | Boreas | Keto | Khione | Thanatos | Iris | Hypnos | Hecate | Nemesis | Mithras | Notus | Triptolemus | Zephyros | Serapis | Kymopoleia | Nike
Roman Gods: Jupiter | Juno | Neptune | Pluto | Mars | Minerva | Ceres | Lupa | Bellona | Fortuna | Janus | Terminus | Vulcan | Mercury | Pomona | Aquilon | Hercules | Cupid | Auster | Favonius | Letus | Victoria | Orcus
Giants: Enceladus | Porphyrion | Polybotes | Alcyoneus | Ephialtes | Otis | Damasen | Clytius | Mimas | Orion | Hippolytus | Thoon | Periboia
Undead: Echo | Gray | Lityerses | Medea | Midas | Narcissus | Otrera | Phineas | Sciron
Primordial Gods: Gaea | Tartarus | Ourae | Nyx | Chaos | Ouranos | Akhlys | Erebos | Hemera | Elpis | Spes
Companion Books: Percy Jackson and the Olympians | Demigods and Monsters | The Ultimate Guide | The Demigod Files | The Demigod Diaries | The Son of Sobek | The Singer of Apollo | The Staff of Serapis | Percy Jackson's Greek Gods | Percy Jackson's Greek Heroes | The Crown of Ptolemy | Demigods & Magicians

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