Homebrew Abyssborn Species Details
Abyssborn
Children of the Moonlit Expanse, the Abyssborn are bioluminescent folk shaped by trench-dark pressure and flickering cold currents. Their skin carries constellations of living light that ripple with mood and tide—half-shadow, half-glow. Above the surface they seem eerie and distant; beneath the waves they are guides, wardens, and storm-singers who navigate by pulse and color.
Appearance
Sleek, fin-crested silhouettes with smooth, scaled skin that ranges from ink-blue to sea-teal. Veins and freckles of soft light (white, cyan, or violet) shimmer across the face, forearms, and along the spine and tailfins. Eyes are wide and reflective, pupils narrowing to slits in daylight. Webbing commonly accents fingers, toes, and elbows.
Culture
Abyssborn clans trace lineage by lumen-marks—hereditary light patterns—and keep oral epics sung in clicks and hums that carry underwater. They prize oaths kept under the open sea and distrust bright noon sun. Shellwardens respect them as scouts, and Kelphearts trade kelp-ink with them to tattoo new light-paths.
Names
Given names are fluid and tidal; clan marks are appended after great deeds.
Feminine: Aelune, Vassari, Korynth, Thassa, Lumeri, Veska
Masculine: Nereth, Soluun, Damaris, Korvel, Thalen, Rhyss
Neutral: Luth, Ossa, Pelos, Vaen, Myrr, Serein
Clans/Marks: Nightwave, Coldstar, Trench-Hymn, Glasscurrent, Lowfire
Abyssborn Traits
As an Abyssborn, you have the following racial traits.
Ability Score Increase. Choose +2 to one ability score and +1 to another, or +1 to three different scores .
Age. Abyssborn mature by 15 and live about a century.
Alignment. Their oath-keeping culture leans neutral with strong communal traditions; individuals range widely.
Size. Medium. Most Abyssborn stand between 5 and 6½ feet tall, with lean, pressure-hardened builds.
Speed. Your walking speed is 30 ft. You have a swim speed of 30 ft.
Amphibious. You can breathe air and water.
Darkvision. Accustomed to dim seas, you have Darkvision out to 60 ft. You can see in dim light as if it were bright light, and in darkness as if it were dim light (you can’t discern color in darkness, only shades of gray).
Abyssal Bioluminescence. As a bonus action, you can cause your skin-marks to glow for 1 minute, shedding bright light in a 10-foot radius and dim light 10 feet beyond. You can extinguish or change the color as a bonus action. While glowing, you have disadvantage on Dexterity (Stealth) checks. This light is nonmagical.
Abyssal Magic. You know the dancing lights cantrip.
Starting at 3rd level, you can cast faerie fire once with this trait and regain the ability to do so when you finish a long rest.
Starting at 5th level, you can cast darkness once with this trait and regain the ability to do so when you finish a long rest.
Charisma is your spellcasting ability for these spells, and you can also cast them using your own spell slots.
Sunlight Sensitivity. While in direct sunlight, you have disadvantage on attack rolls and on Wisdom (Perception) checks that rely on sight.
Languages. You can speak, read, and write Common and Primordial (Aquan).
Abyssborn Details (Optional Tables)
d6 Lumen-Mark Pattern
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Constellation of dots across the cheeks and collarbones
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Two glowing stripes from jaw to clavicle
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Spiral eddies down the arms and wrists
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Heart-pulse halo at the sternum, rhythmic when excited
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Drifting speckles along the back like plankton clouds
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Tide-runes circling the eyes and temples
d6 Quirks
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Hums softly to echo-locate in large rooms
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Blinks light patterns when thinking
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Keeps pebbles and shells sorted by texture
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Prefers cold, dim corners of any tavern
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Collects names of storms like old friends
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Refuses oaths not sworn over water
Abyssborn Traits
Born in the trench-dark Moonlit Expanse, the Abyssborn are amphibious folk marked by soft, living light that ripples across their skin. They read currents the way others read faces, speak in hums and clicks underwater, and swear oaths “under open sea” that bind as tightly as rope. Calm in the cold and wary of noon-bright glare, they guide travelers through kelp forests and night channels, serving as scouts, storm-singers, and keepers of reef-law.
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