User blog comment:Dettles/Questions about haki/@comment-8823907-20130620114043/@comment-69.160.99.8-20130621115253

i think the black limbs it due to the persons using the haki infusing it in their bodies to attack. lets look at it. Z, Vergo,Luffy they are all attack type thus the black limbs, at marineford and before all the haki users who used armorment haki used it as defense like an invisible shield such as Sentomaru Sentomaru], and Boa Marigold, just mi thoughts still