SC

SC may represent multiple things in Warcraft context. They may be:
*Silvermoon City, capital of the blood elves.
*Stormwind City, capital of humans.
*Shattrath City, the major city in Outland.
*Scarlet Crusade, especially the Scarlet side of Stratholme (e.g. "SC Strat").
*Stonecore, an instance introduced in Cataclysm.
*StarCraft, another Blizzard franchise.
*Silver Covenant, one of the factions in Dalaran.