User blog comment:D.Dragon123/Why Haoshoku haki is useless./@comment-3075024-20130115160914/@comment-4164499-20130115172535

I agree with MDM, The only neccesary haki type is Armarment haki(cuz of logia)

The others is pretty useless, and only a few characters can use it like a badass.

@Akali, in NW most characters will have some kind of Haki.. my guess..