GURPS - Compendium 1..

NATURAL ATTACKS
The advantages below are natural attacks that a race may
have evolved. They should never be allowed to individual characters.
In the interest of preventing PC races that are biological
artillery pieces, it is suggested that the following scheme be
used.
"Expensive" Improvement Scheme: In order to increase the
effectiveness of the attack, the race must pay the entire cost of
the ability again. Each time this is done, the race can either
increase one of range, area affected, duration or damage by one
"increment" (an "increment" is defined as the base value of the
attack in that category), or get a +1 to the attack roll.
If any enhancements or limitations are being applied to the
power (see Chapter 4), apply the percentage to the final cost of
the attack.
Example: A race has the Breathe Fire power (below). The
basic form of the power costs 20 points. The creator of the race
decides that the power does 3d damage (two extra damage
increments, at 20 points each), at a range three times that
described (two extra range increments, at another 20 points
each). Total cost of the attack: 100 points.
If the GM desires a race with truly devastating natural attacks,
GURPS Supers contains many powerful abilities that could
prove useful. However, the relatively cheap powers described
there will not be balanced against natural attacks bought using
the "expensive" improvement scheme described above.
Alternatively, the following scheme can be used for such races:
"Cheap" Improvement Scheme: If you want to increase the
power of damaging attacks cheaply, in a manner that is consistent
with GURPS Supers, simply charge 6 points for each additional
die of damage. This automatically increases the range by one
increment per extra die. Extra skill with the attack can be
purchased at a rate of 4 points per +1.
Any enhancements or limitations that are being applied to the
power are applied to the final cost of the attack, but not to the
extra skill, if any.
Example: With this scheme, the Breathe Fire power still
costs 20 points, but 3d damage is now treated as two extra 6-
point damage increments (which incidentally add two range
increments) for a total of only 32 points.
To use an ability, roll against IQ or DX, as noted. Creatures
with low IQ and DX roll against 12, but in order to buy up their
roll beyond that they must first buy it up from their actual IQ or
DX! If the heading mentions neither IQ nor DX, no roll is
required.
For an explanation of the terminology used to describe these
powers (e.g., Ranged, Area, Missile, etc.), see p. B149-150. As
this implies, these natural attacks are played in some ways like
spells.
Bioelectric Shock see p. 50
Bite see p. 50
Breathe Fire
Jet, DX, 20 points
Members of the race can breathe fire like dragons, scorching
their foes. As well as doing damage, this can ignite hair, clothing
and other flammables. This is treated as a Jet attack that hits on a
DX roll, not as a Missile attack.
Damage: 1d.
Range: 3 hexes.
Constriction Attack see p. 52
Cool
Area, 15 points
The race automatically lowers the temperature of an area by up
to 10°. This cannot be done repeatedly in the same area by the
same individuals. Multiple individuals can lower the temperature
an additional 1° for each individual past the first.
The temperature will drop at a rate of 10° per turn.
An individual with Cool can become invisible to IR on a successful
IQ roll (low IQs do not roll at 12).
Special enhancement: The race can turn Cool on and off at
will. +10%.
Area affected: 3-hex radius.
Dampen
Ranged, IQ, 15 points
Members of the race can hinder the function of any electrical
device by "slowing" the current that powers the object. This does
no damage to most equipment - just turns it off for the duration.
Computers (and many other devices) can be damaged merely by
slowing them down or turning them off - if you dampen the electrical
system of a shuttle during re-entry, you aren't exactly damaging
the equipment, but the resulting crash will be nasty.
Area affected: 3-hex radius.
Duration: While concentrating.
Deafen
Ranged, DX, 15 points
Members of the race can project a short, focused blast of
sound that deafens the victim for the duration. This attack is
resisted by HT. A critical success with this attack results in a
duration of hours rather than minutes.
Area affected: 3-hex radius.
Duration: 3 minutes.
Flash
Area, 15 points
Members of the race can create a flash of light that can blind
and confuse those seeing it. Anyone within the area of effect is
automatically blinded for three seconds and is at -3 DX for
another full minute (including members of the same race, unless
they have the Polarized Eyes advantage).
Anyone within 10 hexes of the area affected may be affected if
he were facing the flash and had his eyes open at the time. The
GM will rule if someone is affected or not. Those outside the
area get a roll versus HT to avoid some of the flash. A successful
HT roll results in a minute at -3 DX (but no blindness).
Area affected: 2-hex radius.
Image
Ranged, IQ, 20 points
This natural attack was also called Illusion in earlier
GURPS supplements.
Members of the race can create realistic -appearing images to
conceal and misdirect. The images are up to 1/4 hex in size.
Images cannot move, nor can they do damage. Any creature
with vision can see them, and cameras will photograph them.
Physical objects pass through the illusion harmlessly, and anyone
inside the image can see out normally.
If an individual is creating an image of something he's never
seen, everyone who sees it gets an IQ roll on first sight (+3 if
the target creature is personally familiar with the object being
displayed). If they make this roll, they notice something
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