If you survive, your Seers would discover this anyways, so I am going to reveal Uvenelei's secret.
After all, it is not every day that a player figures out how to use 9th level magic to destroy an entire Crystal Sphere.
You are aware of the Gate spell, are you not?
You are aware that Gate allows you to travel from Here to There, right?
Uvenelei's mages created a reasonable (and apparently useless) variant of the Gate spell that causes you to go from Here to ... Here.
A Gate can be made permanent
A large Gate that allows regular traffic requires 10th level magic to do this.
However, a tiny Gate that could take only a small - say, one inch in diameter - ball of steel could be made permanent with the Permanency spell.
Now, imagine throwing this Gate upon a flat disc of steel.
Making the little Gate permanently.
Since the flat disc of steel can be moved, so can the Gate.
Now, imagine two such flat discs of steel, each with a Gate cast on them, and permanency.
Take the two plates, and suspend them in midair.
Make sure the Gates are facing each other.
Create a glass jar around the whole thing, and thus you have created a magical item, and the jar - and the two plates inside - can be moved about at will.
The plates will stay perfectly aligned, the two Gates facing each other.
Now imagine you used technology or magic to suck all the air out of this glass jar, thus creating a vacuum.
If you had thrown a steel ball into one of the Gates (in this case teleporting one into the jar, then moving it with telekinesis into one of the Gates), you would find that:
The steel ball would enter the Gate, then exit the Gate.
The steel ball would move across the vacuum to the other Gate, then exit the other Gate.
The steel ball would move back to the first Gate, then exit the first Gate.
The steel ball would move to the second Gate again, enter, and exit.
Now, Gates do have height and width, so here's the real trick of it all.
You cast Reverse Gravity on the glass, twice.
You then cast Permanency on the glass, twice.
You make it so that a perfect plane exists, bisecting the two Gates exactly in the middle, with gravity polarized on either side of this plane.
Now see what happens.
You teleport a one inch in diameter steel ball into the glass.
It falls, at normal acceleration, into the first Gate.
It exits that Gate on the OTHER side of the polarized gravity field, and falls upward, at 1x acceleration, into the other Gate.
It exits that Gate back on the original side of the polarized gravity field, and falls downward, at 1x acceleration, into the original Gate.
A nice trick. The ball falls faster, faster, and faster.
Now, Reverse Gravity is only a 7th level spell.
If a 7th level spell can negate gravity, there is no question that 7th level magic could alter gravity over a specific area, to a specific extent.
This effect, could be made permanent.
8th level magic could alter gravity much more, over an even greater area.
9th level magic could alter gravity much more yet, over an even greater area yet.
Or, alter gravity very greatly, over a tiny area.
And this, too, can be made permanent.
In this case, 9th level magic can produce a gravity field 1000 times greater than normal.
Now, you make both gravity fields in the glass jar 1000 times normal (obviously, the glass must be glassteeled to hope to survive the pressures on it.)
Now, go back and see what happens.
The little one inch steel ball, accelerates, not at one gravity, but at one thousand gravities.
In a matter of only 3 days, it reaches the speed of light.
Or, rather, it approaches the speed of light, for that speed cannot be attained by any object with mass.
As the steel ball approaches the speed of light, it's mass grows greater.
And greater.
And greater.
To the mass of a boulder.
To the mass of a hill.
To the mass of a mountain.
To the mass of a world.
To the mass, of a star.
Then, carefully prepared Contingency spells go off, and one of the Gates is dispelled.
The ball, no longer travels from Gate to Gate.
The ball, travels through the glass.
With whatever mass it has achieved, it slams into whatever is unfortunate enough, be it a person or a planet, to be in it's way.
As fate would have it, Uvenelei has created several hundred of these Groundpounders, as he calls them.
He intended to use them on several of you.
His tactic, would have been most devastatingly effective, and unfortunately it would have destroyed much of the world of Oerth.
Now, his invention, may be the world's salvation.
- - -
Before I go on, would all the Rules Lawyers out there care to argue about why Uvenelei could not do what I just described above?
(The DM rests his head in his hands, amused.)
People are always shooting down other player's inventions in D&D, always citing rules, always saying why it cannot be done.
Someone out there, please convince me that Uvenelei cannot do this - Melkor, you have a vested interest in showing Uvenelei cannot do this, so speak up and get your friends to speak up too!.
I am putting this up on RPG General.
I simply must hear all the arguments for why this would not work.
After all, I am the DM, and the DM must be evil and rotten and no good and nasty and vile and cruel and wrongful and dastardly and unreasonable and dark and ruinous and ...
