Terna,

This is a particularly nasty beast that I developed for the Anakin Takes a Bullet Campaign. I'm still dicey on the CL, but I thought it stretched the boundaries of beast building for SWSE.

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Terna, Carnivorous Insect

Description: The Terna is a particularly feared and nasty creature that resides in the grasslands and swamps of Kitos V. It's tiny size belies its great danger. A stealthy, 12 legged creature that resembles an oversized beetle, this medium to dark brown creature lives underground in small burrowed nests during the day, and hunts its prey at night.

Each bite of the Terna implants eggs into its unfortunate victim. These eggs will mature into living Ternae, killing the host in the process. Because of the pervasiveness of these creatures, particularly in unsettled areas of the planet, a treatment has been developed in New Home, while various folk remedies have been developed among the native Qaplans that achieve the same effect.

Terna, Carnivorus Insect
Diminutive Beast 8 CL 10
Init +7; Senses: Darkvision, Perception +15
Defenses: Ref 20 (flat-footed 15), Fort 12, Will 11
HP 52; Threshold 12
Speed: 4 squares
Melee: bite +6 (1d2) or
bite +4 (2d2) w/ rapid strike and
2 claws +6 (1) or
2 claws +4 (2) w/ rapid strike
Fighting Space 1x1; Reach 1 square
Base Attack +6; Grp +12
Special Actions: Egg-Laying, Darkvision
Abilities: Str 10, Dex 21, Con 14, Int 2, Wis 12, Cha 7
Feats: Rapid Strike, Skill Training (Stealth), Skill Focus (Perception)
Skills: Initiative +7, Perception +15, Stealth +24

Egg-Laying: The Terna has an unusual means of reproduction. After fertilization, the Terna implants its eggs in a living host through its saliva. When a Terna bites a living being, 1d2 eggs will immediately be injected into the victim's bloodstream. Each egg will make an immediate +10 attack roll vs. the target's Fortitude Defense. Failure means the egg dies in incubation. Success has no immediate effect, other than the egg is successfully implanted.

Each hour after the egg is implanted, the same +10 attack roll vs. Fortitude is made. Failure has no effect. On success, the victim suffers a -1 persistent step on the Condition track. If this step results in the character falling unconscious, the same +10 attack roll vs. Fortitude is made again. If this attack succeeds, the character dies instead, and the egg successfully hatches, giving birth to a new Terna.

Terna eggs can be removed any time before the victim takes their first persistent step down the Condition Track with simple medical treatment (DC 19 Treat Injury check (+5 modifier to the roll if the player possesses the antidote)).

After the egg has forced the victim to take their first step down the Condition Track, the larva is considered too large to be successfully treated with drugs (short of applying a dose that would also kill the patient). A Perform Surgery application of the Treat Injury skill (DC 24) will be required to remove the immature larva. One hour is required (as per the standard rules) to remove one larva, which means that multiple surgeries may be required to completely remove all larvae from the victim.