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The pig is a creature appearing in Hexen, but only when a player or monster has been transformed using the Porkalator artifact or a scripted trap. It is a small brown pig that grunts and squeals frequently. After a while, the pig will transform back into whatever it used to be, with its health restored to full.

Pigs have 30 hit points and cannot wear armor. They are not totally helpless, however, as they may bite enemies at melee range for a small amount of damage. Their size allows them to sneak into passages with low headroom, where players and monsters normally will not fit; this is occasionally used to conceal secrets, such as in the Vivarium map.

In addition to biting, player pigs are allowed to use artifacts, and will throw fléchettes in the same way a fighter does.

The Heretic equivalent is a chicken.