Homebrew Xenomorph Species Details

The Xenomorph is an extraterrestrial hive-based endoparasitoid species with a multi-staged life cycle, possibly originating from the planet Proteus (also known as "Xenomorph Prime").

One of the deadliest of all known alien species, these creatures require a host organism in order to reproduce. The appearance of the Xenomorph can vary depending on the host in which the embryo is implanted. The Human phenotype is generally around 7–8 feet (~ 2.13 - 2.43 meters) and roughly 136.0 to 181.4 kilograms in weight, with a long, muscular tail and large, curved, oblong head. The Queen of this species is generally twice as large (although some Queens have been shown to grow even larger, some surpassing 30 meters in height if given time) and possesses superior speed, strength and intelligence compared to her common offspring.

Xenomorph Traits

Racial Traits

Size

The Xenomorph is a hulking creature, towering well over the average human, but being quite light despite this.

As an average Xenomorph, your height is between 7-8 feet, and your weight is between 136kg to 182kg. Your size is large.

Ability Score Increase

Your constitution score increases by 2, and your dexterity score increases by 1.

Age

Xenomorphs mature extremely quickly, maturing from eggs into fully formed adults in a matter of months. The Xenomorph can live up to 100 years if not killed.

Speed

The Xenomorph has a base walking speed of 30ft, as well as possessing an innate climbing speed of 30ft.

Blindsight

The Xenomorphs do not possess eyes, and as such do not see in the traditional sense. They can get by as well as other creatures can using a combination of echolocation, as well as the unique ability to read electrical impulses in order to sense their surroundings.

Caustic Blood

One of the most unique aspects of the Xenomorph is their caustic blood, which makes them a danger, even when injured or deceased.

  • You gain a resistance to acid damage.
  • If an enemy hits you with a melee weapon or unarmed attack, they take 5 points of acid damage.
  • When you fall unconscious, you release a blast of acid hitting all creatures within 5ft of you for 3d10 acid damage. The enemy can make a Dexterity saving throw in order to half the damage. The DC for the save is equal to 8 + your proficiency modifier + your constitution modifier. You can use this ability once per long rest.

 

Languages

Whilst Xenomorphs are smart enough to learn other languages, by default, the only language they know is the strange clicking dialect use by their kind. You know Xenomorph as a language, and no others.

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