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Idle S

Standard ingame Sebillian.

A sebilian are one of the three main types of alien invaders. They will be the main and most numerous hostile units in the battles with their participation. Sebilians are usually the first or second alien species the player will encounter. They are one of the strongest of the main alien races physically. A special feature of sebilians is their ability to regenerate their health.

In-game[]

Sebilians are physically strong aliens, specializing in short-distance fighting. The ability to regenerate health gives them the opportunity to survive much more damage than other aliens, but provided that the damage is stretched over several moves. Sebilians of high ranks are able to restore all health in 1-2 moves, which complicates the fight against them if you do not have enough damage to finish them off in one move. Sebilian also has a modifier that disables the accuracy penalty when shooting through smoke, which gives them some advantage in combat at long distances. However, they have a disadvantage, they do not see far in the daytime, and vice versa, they see much further at night.

Tactics against sebilians[]

Since Sebilians prefer to fight at short distances, it is recommended to keep a distance from them. Fire from heavy weapons will work fine, since after suppression, the Sebilians will most likely escape, or miss their turn. To kill them, it is best to concentrate fire on one alien before his death, since he will need to do a lot of damage again on the next turn. It doesn't make sense to use smoke grenades against the Siberians, since they ignore them.

Autopsy Data[]

A Sebillian is a reptilian alien, standing roughly 195cm (6 feet 5 inches) tall and weighing nearly two hundred kilograms. Much of this weight can be attributed to either the incredibly dense skeleton of the creature or its tough scaled hide. Between them, these account for nearly 40% of the body mass of a Sebillian soldier. The remainder is largely muscle, giving them almost superhuman strength. It is not known in what kind of environment the Sebillians evolved, but it was certainly a hostile one. Sebillian physiology is hardy to the point where it is difficult to imagine anything on this planet capable of killing one in unarmed combat. The scaled skin is up to an inch thick in places (mostly around vital organs). This provides limited protection against small arms fire, although the higher caliber rounds used in the precision rifle will negate it entirely. The thick bones of the creature are also highly resistant to damage, making Sebillians extremely tough combatants. The internal organs are much to be expected, the only anomaly being the discovery of two hearts when dissecting the torso. Of more interest is the composition of Sebillian blood, almost ten percent of which is comprised of a mixture of powerful coagulants and what appear to be unspecialized stem cells. Our scientists do not fully understand the implications of this but theorize that Sebillians may be able to rapidly heal damage sustained in combat. A live specimen is required for proper analysis of this regenerative ability, but we suggest any wounded Sebillian encountered on the battlefield is quickly dealt with to prevent it from escaping and recovering from its wounds. Thankfully, despite the above, Sebillians are not perfect soldiers. They are relatively unintelligent and have weaker eyesight than human beings, giving them slower reactions and poor accuracy. This suggests they will prefer to engage at short ranges where these characteristics are less of a hindrance. However, it is likely that the enormous strength of the Sebillians will lead the aliens to issue them with heavier and more powerful weapons than Caesan troops. This, coupled with their regenerative abilities, make them highly dangerous foes.

Interrogation Data[]

After this study, in addition to a 10% increase in damage against Sebilian, an improved first aid kit will be avaliable.

I am impressed, Commander - quite how your men managed to subdue such a creature is beyond me. Now it has been safely confined in a containment tank, we have been able to perform a detailed analysis on it. The tests confirmed our initial suspicions: Sebillians possess only rudimentary intelligence, have bad eyesight, and struggle to operate firearms. However, they are remarkably agile for such hulking creatures and can cover ground surprisingly quickly.

They also possess astonishing regenerative abilities. Unless the creature is actually dead, it will regenerate virtually any damage sustained to its body (brain included) in a matter of minutes. This ability seems to arise from unspecialized stem cells in the Sebillian bloodstream, which replicate at an incredible rate and can replace complex organs such as eyes or nerves just as easily as simpler structures such as muscle tissue. Clearly, the volume of tissue being regenerated is too great for this to be a natural process. We believe inherent regenerative abilities are being supercharged by the nanoparticles of Alenium in alien blood serum, providing the vast quantity of energy needed to rebuild entire body parts in minutes rather than weeks.

This analysis has brought two tangible results. The first is an upgrade to our battlefield medipacks, which borrow from alien nanotechnology to help stabilize battlefield injuries (sadly full-blown tissue regeneration would require decades of genetic engineering). These improved medipacks replace our previous ones and will heal at twice the rate. The second result is a summary of known Sebillian weaknesses, which should cause your men to inflict approximately ten percent more damage when fighting these enemies.

Ranks, characteristics and available equipment[]

Ceasan NonCombatant

Non combatant sebilian on the battlefield

Action Points 50
Resilience 60
Strength 60
Accuracy 45
Reflexes 25
Bravery 40
Weapon (All possible) Others
Alien Pistol Alien Plasma Cell

Idle S

Guard sebilian on the battlefield

Action Points 55
Resilience 75
Strength 60
Accuracy 45
Reflexes 30
Bravery 50
Weapon (All possible) Others
Alien Rifle

Alien Heavy Plasma Alien Assault Plasma

Alien Plasma Cell

Alien Grenade

Sibillian Soldier

Soldier sebilian on the battlefield

Action Points 57
Resilience 110
Strength 60
Accuracy 50
Reflexes 35
Bravery 55
Weapon (All possible) Others
Alien Rifle

Alien Assault Plasma Alien Heavy Plasma Alien Plasma Cannon

Alien Plasma Cell

Alien Grenade

Sebillian Warrior

Warrior sebilian on the battlefield

Action Points 60
Resilience 160
Strength 60
Accuracy 55
Reflexes 40
Bravery 60
Weapon (All possible) Others
Alien Heavy Plasma

Alien Assault Plasma Alien Plasma Cannon

Alien Plasma Cell

Alien Grenade

Sebillian Elite

Elite sebilian on the battlefield

Action Points 70
Resilience 240
Strength 60
Accuracy 60
Reflexes 45
Bravery 75
Weapon (All posible) Others
Alien Heavy Plasma

Alien Plasma Cannon

Alien Plasma Cell

Advance Alien Grenade

Sebillian Officer

Officer sebilian on the battlefield

Action Points 65
Resilience 160
Strength 60
Accuracy 55
Reflexes 40
Bravery 65
Weapon (All possible) Others
Alien Plasma Cannon

Alien Assault Plasma Alien Heavy Plasma

Alien Plasma Cell

Alien Grenade

Sebillian Leader

Leader sebilian on the battlefield

Action Points 70
Resilience 240
Strength 60
Accuracy 60
Reflexes 45
Bravery 90
Weapon (All possible) Others
Alien Heavy Plasma

Alien Plasma Cannon

Alien Plasma Cell

Advance Alien Grenade

Gallery[]

Xenonauts
Geoscape Mission TypesBase FacilitiesAlien MissionsResearchManufacturingTech Trees
Aircombat Human aircraft F-17 Condor InterceptorMig-32 Foxtrot InterceptorX-37 CorsairX-59 MarauderX-120 Fury
UFOs Fighter* • Light ScoutScoutHeavy Fighter* • Interceptor* • CorvetteBomber* • Landing ShipCruiserStrike Cruiser* • CarrierBattleshipDreadnought
Battlescape Xenonauts Xenonaut
Vehicles HunterScimitarHyperion
Aliens SebillianCaesanAndronReaperZombieHarridanWraithPraetorLight DroneMedium DroneHeavy DroneAlien Classes
Non CombatantGuardSoldierWarriorEliteOfficerLeaderHigh Praetor
Dropships CH-48 CharlieD-42 ShrikeD-54 Valkyrie
Equipment WeaponsArmourMiscellaneous Equipment
Other Local ForcesUFO Components
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