A gas cloud is a small pocket of floating gas that forms in certain regions; its type of gas depends on its current location. They can be seen by anyone, and anyone with a [Zapthrottle Mote Extractor] in their bags can track them on the minimap, but only engineers using the [Zapthrottle Mote Extractor] can acquire the gas within. Unlike other resource nodes, gas clouds are mobile. Sometimes a cloud will be in an inaccessible location, in which case players need to wait for it to move into range before harvesting it.


When first introduced in the Burning Crusade expansion pack, each type of cloud produced one type of mote and was only found in one area. These are:

In the Wrath of the Lich King expansion pack, the clouds appear throughout most of Northrend and usually contain two types of crystallized elements. These are:

Patch changesEdit

Wrath-Logo-Small Patch 3.2.0 (04-Aug-2009): [Mote Extractor] now has innate tracking for gas clouds while it is in your inventory. Tracking of gas clouds has been removed from goggles.
Bc icon Patch 2.3.0 (13-Nov-2007): Windy Clouds in Nagrand now produce Inv elemental mote air01 [Motes of Air].
Bc icon Patch 2.3.0 (13-Nov-2007): Swamp Gas in Zangarmarsh now produce Inv elemental mote water01 [Motes of Water] instead of Inv elemental mote life01 [Motes of Life].