15,000 knights are charging at you in full plate mail and all you're armed with is...

[Stalk3rchief]

Hate to ruin the stream of creative answers, but, why not just shoot them? Armor isn't bullet proof or even bullet resistant. Hell, arrows went through the suits.
Maybe a nice fixed gun, like a mounted 50.cal or an M60, with a rather large barrel to finish them all off.

That's why there is 15,000 of them!

Which is why I need a lot of ammo.
=]
It's not creative, but it works.

Not as well as you might think.

Many a machine gunner died because of the "send a million chinese farmers" strategy.

All right then, I guess I'll just use this

Spoiler

 

[Dr. Love]

oh nothing special just a fully armored battlesuit

Spoiler

ah yes this should suffice

Is that the Nova Cat from mechassault 2? If that be the case I'm sure a 75 ton battlemech might be pushing definition of "weapon" though if it doesn't then I'm all for using my "Bowman" from the first mechassault.

If not, then I'll just use my Vengeance from Fallout 3 with 100,000 ammo of course

 

[mugetsu37]

Megaton

Spoiler

You lost karma for destroying Megaton

 

[Ilovechocolatemilk]

An Apache Helicopter.

I win.

 

[Flamezdudes]

A Laser Cannon. IMA FIRIN MAH LAZER!

 

[Griphphin]

A knight's disguise?

 

[Yersinia_pestis]

http://media.giantbomb.com/uploads/1/10391/1104838-fullscreen_capture_8112009_84613_pm.bmp_super.jpg

 

[Zergownz]

A nuke.

 

[KeRALlS]

Saimple... I would bust out the experemental MARV from fallout 3 throw in some no-clip and that battle would be over in a fraction of a second

 

[QuirkyTambourine]

I'm armed with a terraforming weapon/power (what was that game again?)

I raise myself five miles straight above them, then flood the ground below.

I win.

 

[Woem]

Lightning bolt!

 

[Lucane]

I'm armed with a terraforming weapon/power (what was that game again?)

I raise myself five miles straight above them, then flood the ground below.

I win.

Fracture never played it myself but how do you plan to cuase a flood? Was that another weapon or something?

 

[Neosage]

[sup]Neosage stumbles upon a beacon of hope among the mass of unclean filth...[/sup]

Hmm, good question. I would have to say a few hundred MP potions...

 

[Adam]

Hmm...All I would need is a good Heavy Bolter.

 

[Erana]

I'd like to counter their charge with a stampede of my own:

 

[T-Bone24]

A jet.

 

[Neosage]

I'd like to counter their charge with a stampede of my own:

How would you accomplish that?

[sup]No magic?![/sup]

 

[chieften]

As a 75 Red Mage in Final Fantasy XI I would cast Stoneskin, Refresh, phalanx, and Shock spikes. 0dmg hahaha

 

[Erana]

I'd like to counter their charge with a stampede of my own:

How would you accomplish that?

[sup]No magic?![/sup]

Disney magic, Grasshopper.
Disney magic.

 

[ninja steve]

my c**k

not a from a game hey what about my fable caracter he was a real dick head