What are some intering nouns that start wth the letter H?

i am trying to name a trilogy of stories that are nouns beginning with H. the other two are Heir and Halfling. the stories take place after a big war has gone down and both sides are at peace now dealing with the aftermath. the main characters are the children of the ones who fought in the war. this is their inheritance as it were. i just need a third awesome H noun. can anyone help?