The Tentacle's 'body' encountered at the bottom of the chasm is somewhat squid shaped, with three stumps that connected to the tentacles that appear to have been severed after its death. Indeed in Half-Life, after the first Tentacle encounter, the player travels through the chasm the creature had occupied. Typically several Tentacles use the same pit, suggesting that they may be appendages of a larger organism. Tentacles usually emanate from pits, into which they can retract when injured or in danger.
The 'eye' appears to be a sensory organ, although the creature only reacts to sound and surface vibrations. The three Tentacles in the chapter Blast Pit.Ī large, green, segmented stalk supports a 'head', which ends in a sharply pointed, blade-like appendage and features what looks like an eye and also two small gray 'arm' tentacles near the sharp blade to grab prey.
