Homebrew Eidolon Species Details
“I am not alive, yet I endure. Where others pass on, I linger.”
Eidolon are souls who have slipped free of their mortal shells yet remain tethered to the world. Half-ghost, half-memory, they pass between the Material and Ethereal Planes with an ease that unsettles the living. Some are remnants of tragedy, others bound by magic, and some are simply wanderers who refused to cross the final threshold.
Their existence is one of paradox: neither living nor dead, belonging to both worlds and yet at home in neither.
Eidolon Traits
As an Eidolon, you have the following special traits:Ability Score Improvement
Increase one ability score by 2 and another ability score by 1
Creature Type
You are Undead.
Size
You are Medium or Small (your choice).
Speed
Your walking speed is 30 feet. You can hover a few inches above the ground, gliding smoothly rather than walking. This does not grant you the ability to fly, but allows you to ignore difficult terrain caused by nonmagical ground hazards such as mud, undergrowth, snow, or caltrops.
Incorporeal Form
You can slip between the Material and Ethereal Planes.
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Material Phase. While on the Material Plane, you appear translucent and ghostlike. As a bonus action, you can phase through creatures and objects as if they were difficult terrain until the end of your turn. If you end your turn inside an object, you are shunted to the nearest unoccupied space and take force damage equal to twice your proficiency bonus.
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Ethereal Phase. As a bonus action, you can shift fully into the Ethereal Plane, your body vanishing entirely from the Material Plane. While on the Ethereal Plane, you can move normally and telepathically communicate with one bonded creature of your choice on the Material Plane within 30 feet of you. The bonded creature is chosen when you finish a long rest, and you can change it by re-establishing the bond with another creature during a short or long rest.
Ghostly Resistance
You have resistance to necrotic damage.
Unliving
You don’t need to eat, drink, breathe, or sleep. To gain the benefits of a short or long rest, you must retreat fully into the Ethereal Plane. While resting, you are absent from the Material Plane and cannot be perceived or interacted with there.
Flicker Between Worlds
When you would make a death saving throw, first roll a d4. On a 4, you stabilize immediately as your spirit clings to the Ethereal. Once you benefit from this trait, you can’t do so again until you finish a long rest.
Lingering Presence
Choose one skill: Arcana, Insight, Intimidation, or Stealth. You gain proficiency in that skill, reflecting how your spectral existence shapes your interactions with the world.
Languages
You can speak, read, and write Common and one other language of your choice.
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