Grand Erg Occidental Grand Erg Occidental The Grand Erg Occidental (, al-ʿIrq al-Gharbī al-Kabīr), (also known as the Western Sand Sea) is the second largest erg in northern Algeria after the Grand Erg Oriental. It covers an area of approximately . The sand dunes in the erg are formed by the wind, and can be up to high. Certain crescent-shaped dunes, known as barchans, are actually mobile; the wind can push these dunes as much as 20 to 30 m (65-100 ft) in one year. It is a desert natural region that receives less than 50 mm (1,96 in) of rainfall per year.
Erg (comics) mutants that the tags were "...a harmless tracking device, inserted under the skin with a simple and painless surgical process." That was not true, as Erg later discovered, as the tags had the ability to generate disabling electronic pulses. Later, Mister M freed the chipped mutants of their devices. During "The Extremists" arc, Erg reappeared alongside some of his fellow Morlocks under the leadership of Masque. Besides Erg, this group consisted of Bliss, Litterbug, the undercover Skids, and the captured Leech. Erg is shown as one of Norman Osborn's mutant prisoners after the riots in San Francisco. He later took