Arravis said:Can a non-epic spellcaster coutnerspell an epic spell?
Arravis said:Can a 20th lvl wizard counterspell a epic wizard casting an epic spell with greater dispelling or some other such spell?
Arravis said:No, I mean an Epic Spell. ie: Hellball.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.