Change Environment (Atmosphere, Gravity, Temperature)

Updated:  2010-12-15

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ClusterEmpathy [Sorcery]
Controlling Attribute(s) EMP
Restrictions:  None

This is largely a combat skill, where the sorcerer weakens the barriers between protodimensions and "borrows" some of the conditions there, bringing them to the proto-dimension he currently occupies. With this skill, a sorcerer can alter the content of the air, the atmospheric temperature, and the gravity in a confmed area. The skill can also be used as a sort d emergency life-support. in essence bringing one's environment along on a trip.

This skill requires a great deal of controlled, focused power which sends a clear signal to the Dark Ones. It is treated as "Sorcerous Combat" for purposes d Darkling detectia1. Change Environment effects a spherical area, with a radius equal to the sorcerer's Change Environment skill level in meters.

Using the skill in combat or for other brief bursts of time requires skill tests at normal empathic skill difficulty levels. Using the skill for extended periods of time is easier, starting at Easy for the first environment change and becoming one difficulty level harder for each additional environment change. Furthermore, the sorcerer must make a successful Change Environment skill test every 15 minutes or lose the dimensional merging -- conditions revert to original environment. The sorcerer may not use any other empathic power while maintaining this changed environment (also see the Proto-Dimensions Sourcebook, Vol. I for further discussion of the use of this skill).

For instance, if Roman is venturing through a proto-dimension of fire, and doesn't want to burn. he lowers the temperature by reaching into a protodimension of extreme cold. He also brings along some of Earth's atmosphere so he can breathe. This is two environments, so every 15 minutes he has to succeed at an Average: Change Environment test to retain his more hospitable pocket environment.

Changing environments for extended lengths of time can achieve the following effects:

Atmosphere:  Merge the normal atmosphere with another, up to a 90% mix. In short, Roman's trek through Hades isn't that pleasant; 10% of the air he breathes is the natural sulfuric smoke of the protodimension. Of course, it's better than smothering.

Gravity: A change of up to 5 Gs is possible when lessening the gravity, or up to 20 Gs when making it heavier. Some places just have too high a gravity for humans. A G is an Earth standard gravity, representing an acceleration of 9.8 meters (32 feet) per second².

Temperature: As the ranges of temperature among the protodimensions approaches the infinite, temperature can always be altered to fit the sorcerer's wishes.

Catastrophic Failure while trying to change environments for an extended period causes a backlash upon the sorcerer and anyone else within a radius in meters equal to the sorcerer's Change Environment skill. The exact effects are upto the referee. but they only last for one combat turn. Treat the backlash as a Change Environment attack of the appropriate type, below. This means that a backlash on an extreme Change Environment use can be lethal.

Change Environment can be used in combat, with the following effects. These effects can be sustained. as the sorcerer concentrates on keeping the dimensional mix. However, the sorcerer may not make any other attacks or use any other empathic powers while using Change Environment. although a sorcerer may increase the effects of an attack (for instance, continuing to raise gravity and/or alter temperature in the same area).

Atmosphere: Each stage of success replaces 10% of the atmosphere within the effective radius with an equal quantity from another protodimension (note that this 10% could also be vacuum). By changing the atmosphere, a sorcerer can blind his foes (smoky, hazy, or otherwise opaque atmosphere) or choke his victims (depending on the toxicity of the changed atmosphere, the victims could be poisoned, choke, or even drown). The referee decides the exact effects.

Gravity: Each stage of success raises or lowers the gravity by 1 G within the effective radius. By raising the gravity, a sorcerer can slow and even crush his enemies. At 2 Gs, movement is halved and physical tasks are two levels more difficult. At 3 Gs, movement is quartered and physical tasks are three levels more difficult. At 4 Gs, only crawling movement is possible, and physical tasks are four levels more difficult. At 5+ Gs, movement and physical tasks are impossible. At 7 -10 Gs, anyone inside the enhanced gravity field must pass a Difficult: Constitution test each combat turn or pass out. In addition to this test, victims at 10+ Gs take 1 D6 damage per G over 10 to their chest location each turn. For example, a person trapped at 14 Gs takes 4D6 damage to the chest location each turn. These conditions may be altered for creatures adapted to higher gravities. By lowering the gravity, a sorcerer can suspend a target, slowing movement to a crawl (it is hard to move fast when each step hurls you several feet into the air) and making all physical tasks two difficulty levels higher.

Temperature: Each stage of success raises or lowers the temperature 50 Celsius (90 Fahrenheit) within the effective radius. At greater than 40° or less than 10° Celsius (from 50° to 104° Fahrenheit), humans find all physical tasks to be one level of difficulty higher. At greater than 60° or less than -20° Celsius (140° to-4° Fahrenheit), humans find all physical tasks to be two levels of difficulty higher, and must make a Difficult: Constitution test each combat turn to avoid passing out from either heat or cold. Temperature changes can be compensated for with appropriate clothing and/or equipment (such as good winter gear, or an "ice-box").

Should a sorcerer roll a Catastrophic Failure while using this skill to attack, only the sorcerer suffers the effects projected.

Change Environment (Short Term)
Task Type Difficulty Notes
Total Security Easy —
Relaxed Average —
Normal Stress Difficult —
Great Stress or Combat Formidable —
Incredible Stress Impossible —

Change Environment (Extended)
Task Type Difficulty Notes
One Change Easy —
Two Changes Average —
Three Changes Difficult —
Four Changes Formidable —
Five Changes Impossible —