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Tentacle (Half-Life)

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Hey! Hey, over here! Eat lead, you outer space octopus!
~ A security guard to a tentacle
Hypersuctor sensitivas, better known as

Tentacles, are major antagonists of the Half-Life series, being large, clawed tendril-like aliens that respond violently to loud sounds.


When a Black Mesa experiment went wrong, it caused a rip in the fabric of space, teleporting several alien Xen creatures to the facility where they waged war on the facility's helpless scientists.

A trio of tentacles first appear in the rocket propulsion chamber, where they kill several of Black Mesa's employees. The tentacles only appear eight times in Half-Life and two times in Opposing Forces.

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