Homebrew Abyssalborn Species Details

Born from the unlikely union of infernal fire and oceanic depths, the Abyssalborn are a rare and enigmatic race. Their existence is a balance between two opposing worlds—the churning chaos of the abyss and the vast tranquility of the sea. Whether raised in the structured society of Tritons or among the wandering Tieflings, Abyssalborn often find themselves as outsiders, caught between two heritages that many view as incompatible.

Physical Traits:

Abyssalborn exhibit a striking blend of their celestial and aquatic ancestry. Their skin tones range from deep blues and seafoam greens to dark purples and ember-kissed reds, sometimes with an iridescent shimmer reminiscent of fish scales. Some bear the curling horns of their Tiefling lineage, though theirs are often smooth and ridged like coral. Their eyes glow with an eerie luminescence—sometimes like burning embers, other times like the bioluminescent creatures of the abyss. Webbed fingers and toes, along with gill slits along their necks or ribs, hint at their ability to traverse land and sea with ease.

Cultural Perspective:

The Abyssalborn struggle with their dual nature. While Tritons prize discipline and duty, Tieflings are often independent and driven by personal ambition. As a result, Abyssalborn might find themselves torn between rigid expectations and the pull of freedom. Some embrace the call of the sea, serving as deep-sea guardians, pirates, or wanderers. Others tap into their infernal side, becoming warlocks, sorcerers, or charismatic diplomats using their devilish charm to influence those around them.

Personality & Alignment: 

Abyssalborn are unpredictable, embodying both the storm and the calm. Some are natural leaders, while others are loners who drift between worlds, never quite belonging to one. Their alignment can vary widely, shaped by which half of their ancestry they embrace—or whether they choose to forge their own path entirely.

Abyssalborn Traits

Abyssalborn are a fusion of infernal cunning and oceanic resilience. Their dual heritage grants them unique abilities that set them apart from both their Tiefling and Triton ancestors. Whether navigating the dark depths of the sea or walking among mortals on land, they carry an aura of mystery and power. Their very nature is a paradox—flames that burn beneath the waves, tides that whisper secrets of the abyss. As an Abyssalborn, you possess traits that reflect the eternal balance between these opposing forces, granting you both adaptability and a touch of the supernatural.

Ability Score Increase

Your Charisma increases by 2, and you may choose to increase either Strength or Dexterity by 1, reflecting your infernal and aquatic heritage.

Age

Abyssalborn mature at the same rate as humans but can live up to 200 years, their lifespans touched by both infernal resilience and Triton longevity.

Alignment

Their dual heritage makes Abyssalborn highly individualistic. Some follow structured Triton ideals of duty and order, while others embrace the Tiefling’s tendency toward ambition and free will.

Size

Abyssalborn range from 5 to 6.5 feet tall, with lean yet durable physiques. Your size is Medium.

Speed

Your base walking speed is 30 feet, and you have a swimming speed of 30 feet.

Amphibious

You can breathe both air and water.

Darkvision

Thanks to your infernal and abyssal origins, you can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can discern colors in darkness as shades of gray.

Infernal Resilience

Your body carries the resilience of your Tiefling bloodline. Choose fire or cold damage; you have resistance to that damage type.

Abyssal Legacy

You can harness the power of your dual nature to manifest magical abilities:

• You know the Thaumaturgy cantrip.
• At 3rd level, you can cast Shape Water or Control Flames (your choice) once per long rest.
• At 5th level, you can cast Hellish Rebuke or Create or Destroy Water (your choice) once per long rest.

Charisma or Wisdom (your choice) is your spellcasting ability for these spells.

Abyssal Adaptation

Your body is suited for extreme environments. You can withstand deep-sea pressures and extreme heat or cold, allowing you to function in underwater depths and near volcanic regions without penalty.

Languages

You can speak, read, and write Common, Infernal, and Primordial (Aquan dialect).