Red Dragonscale

Red Dragonscale are just as rare as blue scales and is usually skinned from Red Dragons for obvious reasons.  The dragons are usually at least level 57 and above. The only place to farm Red Dragonscale is Blackrock Spire with maximum efficiency. The Chromatic Dragon members is what produces Red Dragonscale.

See below for maps to farm Red Dragonscale in WoW.