GURPS - Compendium 1..

d) The transformation is not instant, and you have a limited
number of transformations per day. Apply both Takes Extra
Time and Limited Use limitations to the 15-point Instant
Transformation cost.
Tunnel
40 points
+ 10 points/hex of Tunnelling speed
You can dig through the ground like a worm, spewing earth
and stone behind. This ability lets you dig a passage, sized for
your race, through earth or stone. Movement through rock or
stone is half normal tunnelling speed.
The GM may wish to assess a chance that the tunnel collapses
behind you. Roll each minute vs. the higher of Engineering
(Mining), Prospecting-3 or IQ-4 to dig a stable tunnel. This can
be modified upward for hard rock and downward for soft rock
or loose earth. Each halving of your tunnelling speed gives you a
+1 on this roll.
Ultrahearing
0/5 points
You can hear sounds in the frequencies above the normal
range of human hearing (20 kHz). Dog whistles, sonar, motion
detectors and even many household appliances may emit sounds
audible to you.
As a creature's sole form of hearing, this is worth no points.
As an adjunct to normal hearing, it is worth 5 points.
Ultrasonic Speech
0/25 points
This advantage can only be taken as a racial advantage.
This advantage is essentially just a combination of the Secret
Communication and Ultrahearing advantages. The race can converse
in the ultrasonic range. Note that many species of terrestrial
animals find it intensely annoying, or even painful, to be in
within earshot of sustained ultrasonic pitches.
There is no cost if Ultrasonic Speech is the race's only form of
communication.
Unaging
15 points
You never grow old naturally and cannot be aged unnaturaly.
Your age is fixed at any point you choose and will never
change. You never have to make aging rolls. A character with
this advantage cannot get any points by taking the Age disadvantage!
If the player wishes to play a very old member of an Unaging
race, with a wealth of useful memories and experiences, the GM
may charge an appropriate Unusual Background and waive the
usual 2 x Age limit on points spent on skills.
Special enhancement: You can "age" in either direction at
will, at up to ten times normal rate. +20%.
Undying
175 points
This is a variation on Immortality (see p. 58), taken from
Robert Adams' Horseclans setting; however, it could also be
used for immortals in other settings.
The Undying are a very rare breed, and appear to be sterile,
but their long lifespans and incredible hardiness make them a
force to be reckoned with. They have the singular ability to
rapidly regenerate injury. When conscious or sleeping, they
recover 1 HT every other turn until fully healed. When unconscious,
the Undying recover 1 HT every turn until reaching HT 0
and consciousness.
The Undying can be killed if deprived of air through strangulation,
drowning, smothering, prolonged crushing of the lungs
and chest, etc. Each ten seconds without oxygen costs the
Undying 1 HT, which does not regenerate unless he gets air
again. When (-HT) is reached, the usual rolls must be made to
survive, and at (-5 x HT), he dies. The Undying can also be
killed by a very great amount of damage (HT x 10) of any type,
coming too fast for the body to regenerate. Once an Undying
dies, he stays dead.
A HT roll is still made for each crippling injury, and produces
the same results - temporary, lasting, and permanent
injuries - but speed of recovery is altered dramatically.
Temporary injuries regenerate at the same rate as normal
physical damage and disappear when HT is restored. The injury
heals without scarring.
Lasting injuries disappear after 1d days. The injury will heal
without scarring if the character makes a successful HT+5 roll.
Critical failure causes a scar equivalent to a -5 point Appearance
disadvantage; additional scars increase this by -5 points each
time, up to a maximum of -20 points for Hideous appearance (p.
B15). These scars may be healed, but must be bought off as if
they were starting disadvantages.
Permanent injuries heal fully in 1d weeks. The injury will
heal without scarring if the Undying makes a successful HT roll.
Critical failure results in Appearance disadvantages, as
described above.
However, if an Undying is struck a critical blow to the head,
he must roll his HT immediately or lose his memory - not his
skills, but his conscious knowledge of his past. The sheer
weight of an Undying's memories can make them fragile.
Undying are also immune to such annoyances as boils,
bronchial infections, disease, flu, hangovers, intestinal viruses,
scabies, sore throats and vermin.
Universal Digestion
15 points
You possess remarkably adaptable intestinal processes which
allow you to derive nutrition from any non-toxic animal or vegetable
protein, no matter how alien (or fantastic) the biochemistry.
This allows you to derive nutrition from things that would
normally be harmless but utterly innutritious. It does not confer
any advantage against normal poisons - a poisonous alien plant
or animal would still be inedible.
Compare Cast Iron Stomach, p. 51.
Vacuum Adaptation
27 points
For whatever reason, you are adapted to life in outer space.
This may be appropriate for certain alien species. You have
stronger skin (DR 1) to resist pressure drops, new muscles to
close off your gut and lungs, and transparent membranes to protect
your eyes. You suffer no damage from explosive decompression
(p. S75) and are not mentally stunned by rapid decompression (p.
S75). An extra layer of adipose tissue gives you 10
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