User blog comment:Yonkou Rome/Zoro's Haki/@comment-3099049-20101015041904/@comment-74.89.180.251-20101016072536

he cut the steel that das bones just happened to b made of. Paramecians are different from logia cuz for the most part there bodies r permantly altered by the fruits (proof being that luffy is still made out of rubber when in contact with sea prism stone, while ace is instead 100% human). Cuz of that i don't think zoro had any haki before the time skip but who nows what mihalk taught him