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Xen's healing pools?[edit]

Apparently there hasn't yet been made an article about those Xen pools which heal the player as time passes. Also missing is that large "organic membrane" which can propel it's user to higher places.

I don't know about the healing pools, but I think the "organic membranes" and other kinds of organic growths are part of Xen's vegetation, much like the Xen Tree or the Light stalk plant. -FrankWellington.

Meaning of "Xen"[edit]

It may come from the Greek "ξένος", or "Xenos", meaning a foreigner (the Xen are aliens, after all). Kookas 01:01, August 29, 2011 (UTC)


In HL1, after the resonance cascade, you get teleported to Xen for a brief period of time, and then you can see some bullsquids drinking BUT also there's a strange "creature" flying around. After looking in the game files, I found out it's called "protozoa", any idea of what could it be? Also, similar objects are present in several Xen skyboxes. --FrankWellington.

I don't think "dimension" is the right word here.[edit]

I think the right word would be "universe." It doesn't make sense to call Xen a "dimension," because there are obviously at least three dimensions in Xen (length, width, depth). But, I haven't played Half-Life in a while, so if that is the terminology that is used in the game, then I guess "dimension" would be correct (since it's just fiction and all). So, it's either a mistake here, or in the game :)


Somebody make an article on the xen trampolines please


PLEASE. SIGN. YOUR. COMMENTS! Klow 18:09, June 24, 2011 (UTC)

HL2 screenshots?[edit]

How about some HL2 headcrabs, barnacles, leeches, antlions, vortigaunts and anything else I've forgotten? — PPortal symbol.svgrtaler (about | complain) 22:00, 23 December 2015 (GMT)

While some of these entities are implied to still be actively coming to earth from Xen through the portal storms, I think there's enough of a disconnect between Half-Life and Half-Life 2 in regards to Xen such that the HL2 iterations of Xen creatures do not need to be demonstrated on this page, namely because Xen does not make an appearance in Half-Life 2. Hence, they're not directly relevant here.
Also, Antlions should not be listed here as they're never suggested to have resided in Xen. Marphy (talk) 09:38, 24 December 2015 (GMT)

Xen Thumpers[edit]

Episode Two reveals that Antlions are domesticated by Vortigaunts for various purposes (just as we here on Earth domesticate cows for both milk and meat). We clearly see Vortigaunts working on some oscillating cylindrical device in Xen, which is mentioned in the article. These things are the same size and have the same motion as the Thumpers we see in Half-Life 2, and we know those are useful for deterring Antlions. Shouldn't we suggest there may be a connection? -person who forgot to sign the first time around — Unsigned comment by

That is entirely speculation. All signs actually point to this machinery in Xen being used for mining purposes, and we know that because we encounter it in use right outside of the Mines and again dismantled inside of the Mines. There is nothing to suggest this has any relation to Antlions or Thumpers which would not have been conceived of by the developers at the time. Marphy (talk) 19:09, 16 October 2021 (MSK)