When they're panicking keep hitting them until they die. Thankfully, if you hit them they will start panicking and will run away. Poison Headcrabs can be an extreme threat underground as not only they can poison you, but they will even try to take over your body. Make sure to bring some milk as well to remove the poison. Sigbins are the best counter to Poison Heacrabs and Poison Headcrab Zombies as they will try to avoid them as much as possible. Poison Headcrab Zombie In-game Properties Poison Headcrabs and Poison Headcrab Zombies are immune to poison. Poison Headcrabs and Poison Headcrab Zombies will try to avoid Sigbins as much as possible. The corpse will also leave behind a poisonous puddle that poisons all mobs that try to go near it. The one that took over the head however will not survive. When the host is killed, any poison headcrabs that happen to be riding it will fall off. It is impossible to turn them back to normal as their bodies were extremely mutilated by the Poison Headcrab so that it can store poison in the body and optimize the amount of food it can consume, which can lead to death. As such, they will usually cry in pain when they take damage. Hosts remain conscious, but they cannot do anything to resist the Poison Headcrab's influence. If they spot a target, they will jump off and attack said target.

Up to 2 poison headcrabs can ride a poison headcrab zombie.

Other poison headcrabs nearby will ride on the back of a poison headcrab, provided that the back isn't full. The poison headcrab then performs heavy bodily modifications to the host, removing lots of skin, filling up the host's body with poison, and removing the skin covering the hands to turn them into claws. Afterwards they will use the host to find food to consume in order to grow. The hosts can be any of the following:īefore taking over a preferred mob they will poison them. Poison Headcrabs will wander aimlessly, looking for hosts to take over.

Half life poison headcrab