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Xenomorphs
 General Notes

1. All xenomorphs ( "bugs" ) live to survive. Their only motivation is the continuation of the species ( Queens may be an exception, grasping at least the basic idea of revenge ).

2. Acidic Blood: All bugs have blood that acts as a concentrated molecular acid. This blood is kept under great pressure, so if the exo-skeleton of a bug is breeched, the acid will spray out. The distance of the spray varies according to where the bug is hit, and characters struck by the acid are hit in 1D3 locations. 

The damage inflicted by the blood varies by the type of xenomorph. Victims (and their equipment) of this acid may roll an Acid SMR to reduce the damage to one-half.  3. 10% of all adult bugs have the ability to inject a potential host with a DNA-altering compound that can cause a potential host to metamorph into an egg over a period of 2D6 hours. This is delivered via the tail stinger.

4. All adult bugs have five long ( 1-2 feet ) spines on their backs.

The top spine is actually sharp and pointy. It may serve to protect the bug from physical attacks from behind. The other four spines are actually tube-like structures with an unknown function( possibly ventilation or pressure regulation).

5. All adult ( and some baby ) bugs have an incredibly strong tongue/inner mouth. This is the primary killing weapon of the xeno. It is composed of muscle, but ends in a "mouth" lined with metallic teeth. When the tongue strikes, it becomes very rigid ( like a metal rod ) and impacts with great force. Once it hits and enters the target, the mouth closes, and it retracts, causing even more trauma. Bugs will often precede an attack by baring this inner mouth, much like a dog will bare it's teeth. For most adult xenomorphs, the tongue is roughly one foot long. 

6. Xenomorphs do not have eyes as far as anyone knows. They "see" by a combination of sensing sound, vibration, heat, and smell. It is common for a bug to stop and swivel it's head back and forth to gain a better "picture" of it's surroundings. This combination of detection abilities provides an amazingly accurate view of the surroundings. Bugs also use pheromones for basic messages and hive-identification.

7. Bugs are not tolerant of bugs from other hives ( identified by the pheromones ), and will attack on sight, while simultaneously releasing a warning pheromone.

8. Xenomorphs seem to have a genetic/racial memory. Through this, they learn a races' weakness, strengths, and fears. But only those races who have served as hosts. This may explain why against humans, they normally strike at night, or in the dark. They do not have a preference for night or day, but they may understand that humans are afraid of the dark, and use this to their advantage.

9. All adult bugs have very strong exo-skeletons. These are capable of withstanding temperatures as high as those produced by molten lead, and impacts of small-arms ( up to 9mm ) fire from as close as four inches.

10. All adults are slimy. Their bodies are covered in a slimy substance, and this substance is usually dripping from their mouths ( giving them the appearance of constant drooling ). The purpose of this slime is unknown.

11. Xenomorphs do not need to breathe. They have demonstrated the ability to survive in both vacuum and underwater with no adverse effects. Something in their bodies allows them to regulate their pressure so as to withstand the rigors of space, and great watery depths ( up to 2 miles/3.2 km ).

12. Fearlessness: Xenos are not afraid of anything. They will not retreat unless so ordered by the Queen, or a Sentry. This means they are immune to any kind of fear-inducing ability. The only exception to this is fire. For reasons unknown, the bugs are afraid of fire, much in the same way as animals fear it. When facing fire, xenomorphs must roll an Aggression check or flee. 

Xenomorph Hive-Nests

 Xenomorphs will build their nests just about anywhere, using local materials, including the remains of hosts and food. The majority of a nest will be reinforced with a resin-like substance that is secreted by the bugs. This substance is very durable. The color and texture match that of the bugs themselves. This allows the bugs to camouflage themselves against walls, floors, and ceilings ( provides a bonus of +10 to Stealth rolls ).
The resin interferes with the passage of electromagnetic waves, causing interference with audio and visual communications (reduce transmission levels by 20%). The resin also acts as an insulating material, maintaining a fairly constant temperature in the nest. Xenos use the resin to restrain future hosts. A conscious, aware victim restrained by resin may attempt to break free by rolling a Strength (-40) check. From the outside, the resin is fairly easy to break through. 

The nest is usually hot, with an average temperature of 95-98 degrees F, and a relative humidity of 70-75%. This is very uncomfortable for humans, and puts invading humans at a disadvantage.
The nest is normally circular in shape, with the egg chamber in the center. This is where the Queen produces the eggs. The surrounding halls and areas are contain the nursery, where the eggs are kept and tended to. In a continuing outward spiral come the food chambers. This is where the food is kept.

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