"Well, there are lots of ways, and lots of reasons. Sometimes it's because they're sad or angry. Some dragons become bad when they have too much power. Sometimes they don't know they're bad guys. They think what they're doing is the right thing."
—Prince Fathom, speaking to his dragonets in Darkstalker (Legends).

Prince Fathom was a male SeaWing who lived a bit over 2,000 years ago, before the main events of the first arc. He was the second known SeaWing animus dragon (his grandfather being the first) and part of the SeaWing Royal Family as Manta's son. After surviving the Royal SeaWing Massacre and killing Albatross, Fathom was forbidden to use his magic and was shunned by the SeaWing tribe, as his sister, Queen Pearl, feared that Fathom would become like Albatross if he used his magic too often. She made him take a vow that he would never use his magic, though others were still wary of Fathom.

However, after one year of isolation, Fathom was summoned to the Night Kingdom, where his task was to befriend the NightWing animus Darkstalker and somehow convince him to stop using his magic. He was allowed three companions to act as guards during his time there: Indigo, Wharf, and Lionfish.

Fathom and Darkstalker did become great friends, but soon Darkstalker grew too powerful to control, brutally killing his own father with his magic and intending to kill Queen Vigilance to become king himself. Along with freeing Indigo from a little wooden statue enchanted by Darkstalker, enchanting the bracelet was the only time that Fathom had used his magic since his vow to Pearl. After giving the bracelet to Clearsight, Fathom and Indigo fled the Kingdom together to raise three dragonets on an island far away from the Sea Kingdom.

Appearance Edit

Fathom was described to have rich, sea-green[1] or emerald-green[2] scales and grey-green eyes, which were said to look like miniature oceans after a storm[3], and royal spirals on his wings. His forehead is usually creased with worry, born from fear of becoming evil or insane and mad like his grandfather. He also has a similar appearance to Turtle, another royal SeaWing, who lived way after Fathom, as Darkstalker mistook Turtle as Fathom in Talons of Power.

Personality Edit

At first, Fathom was excited to learn that he had animus powers, and was hopeful that he would have the chance to use them to help his tribe. However, after the Royal SeaWing Massacre, which resulted in the death of his parents and several other family members, he became depressed and lonely, one of the only things keeping him going being Indigo. He often felt he was a horrible dragon because of his powers, especially since he was discriminated and hated after the event. In fact, his own sister put a law in place by which animus magic use was banned, and never really cared about his well being. After Fathom was sent to the Night Kingdom, he gained a sense of purpose, caring about his friends, but at the same time, wary of Darkstalker after he used his magic excessively. He loved Indigo, enough to make him use his powers to save her multiple times, and later, she hatched his three dragonets. He also worried a lot about his animus powers, as he was afraid he would lose his soul as Albatross did.



Fathom was the grandson of Albatross and the second known animus of the SeaWings, the first known being his notorious grandfather. After Albatross went insane, Fathom swore an oath to his sister Pearl, who became the new queen of the SeaWings, to never use his animus powers again. A few years later, he was sent to mentor Darkstalker (and warn him of his soul), and the two became quick friends. On Clearsight's fifth birthday, Darkstalker made three enchanted star-shaped sapphires called dreamvisitors, and gave one to Fathom, and one to his soulmate, Clearsight, to link the three, no matter how far apart they were. As time passed, and the NightWing animus became more ambitious with his powers and enchantments, Fathom came to believe that Darkstalker would become evil, lose his mind, and kill everyone. He eventually broke his oath and enchanted Clearsight's bracelet to put Darkstalker into an eternal slumber. He and Clearsight were convinced that Darkstalker would turn evil and become a threat to everyone. The NightWings then moved to another island and gave up their powers to hide from Darkstalker and never allow anything that powerful to ever happen again. 

Moon RisingEdit

In Moon Rising, Moonwatcher read a scroll trying to find out about dreamvisitors and found out about Fathom from the scroll and more about Darkstalker. The scroll mentioned Fathom's ties to the Royal SeaWing Massacre, and his enchanted object to put Darkstalker to sleep, but not much else was mentioned. Darkstalker confirmed that the enchanted object was a bracelet that was supposed to put him to sleep forever. 

Darkstalker Edit

Fathom and a group of SeaWing dragonets; including his sister, Pearl and a dragonet named Indigo, were waiting on a beach on orders of Queen Lagoon. Indigo teased Fathom consistently, but he ignored her and followed Lagoon's orders to stay still. Finally, she arrived alongside Albatross. The two announced that they were going to be testing to see if any of the dragonets were animi. Albatross gave them some coconuts and told them to enchant the coconuts to hit him. At first, Fathom tried politely telling the coconut to hit Albatross. When nothing happened, Indigo teased him again, He then sternly commanded it to do so, enchanting the coconut to hit Albatross for real. Albatross congratulated him while silently strangling a distant seagull with a vine.

Later, Fathom, Indigo and some other SeaWing dragonets were in a geography class when a messenger arrived and told him that Albatross was waiting for him due to their first animus session. Fathom met his grandfather at the "sunset beach", and Albatross then lead him to the then-unfinished Summer Palace. He told him the story of what happened with his sister, Sapphire, when they were young, and cautioned him about the dangers of being an animus. Once they found out Indigo was spying on them the whole time, Albatross changed his mind and they headed back to the palace. Fathom then enchanted a wooden pet octopus for Indigo that she named Blob.

During a diplomatic meeting with the SkyWings, Queen Lagoon revealed that she had animus dragons. As the party continued, Albatross snapped and went on a murderous rampage, killing nearly the entire royal family before Fathom stopped Albatross with an enchanted spear. Fathom then saved Indigo's life by enchanting her pearl necklace. After Pearl ascended to the throne, he swore an oath to never use his magic again or have dragonets, cutting the palm of his talon with a sword to prove his point.

After Current was found and returned to the SeaWings, Queen Pearl called Fathom to her throne room. Many guards were stationed there, to provide the illusion that the Queen was protected, because most SeaWings feared animus magic after the massacre. Fathom noticed Indigo was there and longed to be with her. Current was there too, and he appeared very frightened of Fathom. Pearl told her brother that Queen Vigilance of the NightWings wanted him to come to their kingdom to teach the animus Darkstalker not to use his magic, which he agreed to. Indigo asked if she could accompany him as a guard and after the other SeaWings supported this, Pearl let her.

Talons of PowerEdit

Darkstalker mentioned his hate for Fathom while in the old Night Kingdom and said he would never forgive him. He gave Anemone Fathom's room in the old palace and told her it was designed with SeaWings in mind. Darkstalker said that because of Fathom, he didn't accept gifts from animus dragons, "especially lying, conniving SeaWings". Later, when he saw Turtle for the first time, he roared "Fathom!", mistaking him for his ancestor, and shot fire at him.

Darkness of Dragons Edit

Qibli mentioned Fathom and Clearsight when he asked himself if he and Clearsight would have had some kind of backup plan if their friend/enemy was freed, and that he would if he were them.

The Lost Continent Edit

In the prologue, Clearsight thought briefly about how she saved Fathom and the NightWings, and could now settle down for a more peaceful life in Pantala.

Family TreeEdit

Prince Albatross
Princess Sapphire
Queen Lagoon
King Humpback
Prince Eel
Princess Manta
Prince Reef
Princess Splash
Prince Scallop
Prince Current
Queen Pearl
Prince Fathom


"I mean… there are dragons that do bad things. But maybe that doesn't make them all bad. Maybe they can also do good things. Maybe some of those bad things are just mistakes." - Fathom describing "bad guys" to Ripple

"Spears! Kill my grandfather!" - Fathom's enchantment that killed Albatross

"Do you think it's true that animus dragons lose their souls? Is that why he's doing this?" - To Indigo during the Royal SeaWing Massacre

"Clearsight just flew off with the bracelet and he's meeting her and hopefully she can use it on him, but it's possible she won't be able to, and then he'll be really mad, and then he might come back and... you know, destroy the world after all." - Fathom to Indigo, updating her on recent events after freeing her from the carving

"I seem to recall just a few shrieking fits when you were that age." - Fathom to Indigo, about when they were young

"Sometimes ... sometimes they don't know they're bad guys. They think what they're doing is the right thing." - Fathom to his and Indigo's dragonets.

"Um, like, never eat the purple variety of long-legged sea crab?" - To Darkstalker, when told to "Say something wise and insightful now and then."

"Queen Pearl of the SeaWings, I pledge you this oath, on my life and sealed with my blood: I will never use my animus magic again, not for the rest of my days." - Fathom's oath to his sister


  • A fathom is a unit used to measure water depth, which is equal to six feet. Fathom also means to deeply think, although his name likely refers to the former.
  • Because of Albatross being part IceWing, Fathom is of IceWing descent, and also inherited his powers from this bloodline.
  • One of Fathom's descendants, Prince Turtle, is said by Darkstalker to look exactly like him. During the party at which the SeaWing massacre occurs, he also wears golden armbands, similar to Turtle's own armband.
  • He appeared in Clearsight's visions before she met him.
  • Fathom appeared as the protagonist of one of the three parts of Darkstalker (Legends).
  • Since Fathom and his family lived on an island near the Rainforest Kingdom, he may have hidden Darkstalker's scroll on that island, or somewhere within the rainforest. If this is the case, it may explain how Chameleon found it and discovered its use, being the only known exiled RainWing.
  • In Talons of Power, Darkstalker says to a not present Clearsight that he still hasn't forgiven Fathom for "betraying" him.
  • He is the third dragon shown to have artistic talent, the first being Mightyclaws and the second being Whiteout; he enjoyed carving wood sculptures.
  • In some of Clearsight's visions, he was the godfather of her and Darkstalker's dragonets, though this never happened.
  • Darkstalker and Clearsight were the first dragons who trusted him after the massacre.
  • Darkstalker and Fathom might be distantly related as Darkstalker is half IceWing and Fathom is of IceWing descent.
  • At one point, Fathom blamed RainWings for Albatross's insanity, claiming that they must have drugged him, showing that RainWings were taken more seriously, long ago.
  • He is the enchanter of Blob, the first known all-animus created pet.



  1. Darkstalker (Legends), page 264
  2. Darkstalker (Legends), page 309
  3. Darkstalker (Legends), page 185


Present: Queen Coral
Historical: Queen LagoonQueen Pearl





Jade Mountain


Other Dragons

Present: AbaloneFlounderHerringHerring's BrotherKelpLagoonNautilusPearlPiranhaRiptideSnapperSquidTempestTortoiseUrchinWebsWhirlpool
Historical: DropletIndigoLionfishWharf




Bay of a Thousand ScalesDeep Palace of the SeaIsland PalaceSummer PalaceThe SeaWing Royal Hatchery


AquaticSeaWing CouncilSeaWing Royal FamilyTalons of Power CeremonyThe Royal SeaWing Massacre

Start a Discussion Discussions about Prince Fathom

  • Fathom reincarnated in Turtle!

    10 messages
    • I think Fathom is Turtle because as said before, they’re both animus dragons (animi?), and they look very similar, with Fathom being a h i n...
    • I love Fathom and now I love Turtle because I do think Fathom and Turtle are the same dragon.
  • Ask Fathom

    7 messages
    • What would you do, if I told you the entire story of the second arc, and then that led you that Peacemaker was my dad?
    • I meant if I TOLD you. Not if I LED you.
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