The player can either feed it with The Girl or with Demon Kid, but complying with its demands gives no rewards however and refusing its demands has no repercussions. The Human Hydra is a many-headed monstruosity that serves as an unique encounter in Fear & Hunger. When the darkness started to spread on the dungeons of fear and hunger, a group of guards tried to perform a Marriage of Flesh to save themselves from the madness and sickness it induces.