Widdersets (Opponents)

the Searuvel (Evil Machine) against the Wolken (the evolved mind-being of the Biosphere).
-Searuvel= searo (cleverness, cunning, artifice, cunning device, engine, machine) + vel (~wile; approximately the same as searo) + uvel (~evil; evil machine).
-Wolken= cloud.

the Screenworld (the false reality of the Searuvel) against Santh (true reality).
-Santha= truth, that which is.

the Wasteland (Eydhiland) against the Green Earth (the Verden).
-Verden= Earth.

the Drauga (the destructive demon of the Searuvel) against the Drygand (avatar of the Wolken, champion of the Edhli).
-Drauga(Persian)= demon. Draugr(Old Norse)= undead inhabitant of a burial mound who wreaks destruction on the countryside).
-Drygand= dry (~druid; magician, magic) + gand= magic, magic thing.

Unwights (ghosts in the machine(Searuvel)) against Vaettes (land-wights, genii).

Uvel-gumenn (human agents of the Searuvel) against the Alfar (transhuman thanes of the Drygand).
-Guma= man.
-Alfar= the Light-alfs.

The above material is a large chunk of the Mythos as currently constituted.