[gurps] RE: Entombment spell question

[Eric Funk]

> As for being able to nail a flying creature - any given GM has to
> decide whether or not it can or can not.  If for example, the GM were
> to state that the spell can ensnare any creature or object within X
> feet of the ground, then for that particular game world, the earth
> shall rise up like a living extention of the earth, and attempt to
> ensnare the offending thing that is in the air.  One GM could state
> that the spell suffers a -1 penalty for each yard the thing in the
> air is above the ground itself - this in addition to the penalty for
> the spell caster attempting to nail a target that is 10 yards away
> from him on the level plane of the earth.

So a high jumper might be resistant (or immune) if he sees the caster 
casting and jumps in time -- easily over two yards...

http://en.wikipedia.org/wiki/High_jump

-
Eric Funk
"Knowledge Brings Fear" -- Motto of Mars University, Futurama