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Portal Storm

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Ep2 outland 010011.jpg
Portal Storm
General information

Large-scale portal wave

"It's like the First Days all over again. I hope we don't get many more."
Alyx Vance[src]

A Portal Storm[1][2] is an event that creates a multitude of portals to other dimensions. As seen in Half-Life 2: Episode Two, these portals spread outwards in a storm-like manner, causing havoc wherever they hit.


Since the Resonance Cascade at Black Mesa, Portal Storms have occurred all over the world bringing forth life forms from Xen.[3] They are a highly dangerous and destructive phenomena, capable of inflicting severe structural damage to objects, such as buildings and bridges. A Portal Storm consists of a blue 'wave' which resonates from a portal and moves across the landscape.

In Half-Life 2, when at Black Mesa East, the player can see a newspaper cut-out, titled "Portal" Storm Continues. In Episode Two, a series of Portal Storms originating from the Superportal ravage the surrounding landscape.


List of appearances[edit]

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