Battle at Helm's Deep

 is

In M.U.G.E.N, has been made by Cenobite53, The stage itself is the background from the Sega Mega Drive game, Lord of the Rings, which is based on a movie of the same name.

In the stage, you are at the battle of Helm's deep, where King Theoden's men are fighting Saruman's Uruk-Hai's. By looking around the stage, you can see the Uruk-Hai's and warriors fighting and, for some reason, lot's of fire, despite the fact that in the movie, it is raining during the battle.