Hydra (hl2 beta)

The Hydra, a worm-like creature, was to be a massive e colonial organism made out of three neon blue tentacles that went up to the surface. Each tentacle was to end with a different "head". Its body was to be made of gelatinous, transparent flesh, with organs clearly visible. It was to be seen in the underground sections of City 17, and along outside canals.